2	13	Researchers	researcher	NNS
14	18	from	from	IN
19	22	the	the	DT
23	31	Weizmann	Weizmann	NNP
32	41	Institute	Institute	NNP
42	44	in	in	IN
45	52	Rehovot	Rehovot	NNP
53	56	and	and	CC
57	60	the	the	DT
61	69	Technion	Technion	NNP
70	72	in	in	IN
73	78	Haifa	Haifa	NNP
79	83	have	have	VBP
84	93	developed	develop	VBN
94	95	a	a	DT
96	104	computer	computer	NN
105	107	so	so	RB
108	112	tiny	tiny	JJ
113	117	that	that	IN
118	119	a	a	DT
120	128	trillion	trillion	NN
129	131	of	of	IN
132	136	them	them	PRP
137	142	could	could	MD
143	146	fit	fit	VB
147	151	into	into	IN
152	153	a	a	DT
154	164	laboratory	laboratory	JJ
165	169	test	test	NN
170	174	tube	tube	NN
174	175	.	.	.

176	179	The	the	DT
180	181	“	``	``
181	190	computers	computer	NNS
190	191	”	''	''
192	195	are	be	VBP
196	206	biological	biological	JJ
207	216	molecules	molecule	NNS
216	217	,	,	,
218	223	using	use	VBG
224	227	DNA	dna	NN
228	231	for	for	IN
232	240	software	software	NN
241	244	and	and	CC
245	252	enzymes	enzyme	NNS
253	256	for	for	IN
257	265	hardware	hardware	NN
265	266	,	,	,
267	270	and	and	CC
271	274	can	can	MD
275	280	solve	solve	VB
281	282	a	a	DT
283	290	billion	billion	CD
291	303	mathematical	mathematical	JJ
304	312	problems	problem	NNS
313	314	a	a	DT
315	321	second	second	NN
321	322	.	.	.

329	333	Such	such	JJ
334	338	tiny	tiny	JJ
339	346	devices	device	NNS
347	352	could	could	MD
353	356	one	one	CD
357	360	day	day	NN
361	364	fit	fit	NN
365	369	into	into	IN
370	375	cells	cell	NNS
376	379	and	and	CC
380	389	supervise	supervise	VB
390	400	biological	biological	JJ
401	410	processes	process	NNS
410	411	,	,	,
412	414	or	or	CC
415	419	even	even	RB
420	430	synthesize	synthesize	VB
431	436	drugs	drug	NNS
436	437	.	.	.

438	441	DNA	DNA	NNP
442	449	strands	strand	NNS
450	455	exist	exist	VBP
456	458	in	in	IN
459	465	almost	almost	RB
466	471	every	every	DT
472	476	body	body	NN
477	481	cell	cell	NN
482	484	–	--	:
485	489	they	they	PRP
490	493	are	be	VBP
494	504	biological	biological	JJ
505	513	software	software	NN
514	518	that	that	WDT
519	523	tell	tell	VBP
524	528	each	each	DT
529	533	cell	cell	NN
534	537	and	and	CC
538	546	molecule	molecule	NN
547	551	what	what	WP
552	554	to	to	TO
555	557	do	do	VB
557	558	.	.	.

565	566	“	``	``
566	568	If	if	IN
569	572	you	you	PRP
573	577	look	look	VBP
578	580	at	at	IN
581	584	the	the	DT
585	594	mechanism	mechanism	NN
595	597	of	of	IN
598	599	a	a	DT
600	604	cell	cell	NN
604	605	,	,	,
606	607	a	a	DT
608	611	lot	lot	NN
612	614	of	of	IN
615	619	what	what	WP
620	624	goes	go	VBZ
625	627	on	on	IN
628	634	inside	inside	NN
635	637	is	be	VBZ
638	649	computation	computation	NN
649	650	.	.	.

651	653	We	we	PRP
654	656	do	do	VBP
656	659	n’t	n't	RB
660	664	need	need	VB
665	667	to	to	TO
668	673	teach	teach	VB
674	677	the	the	DT
678	682	cell	cell	NN
683	686	new	new	JJ
687	693	tricks	trick	NNS
693	694	,	,	,
695	697	we	we	PRP
698	702	just	just	RB
703	707	need	need	VBP
708	710	to	to	TO
711	714	put	put	VB
715	718	the	the	DT
719	727	existing	exist	VBG
728	734	tricks	trick	NNS
735	737	in	in	IN
738	741	the	the	DT
742	747	right	right	JJ
748	753	order	order	NN
753	754	,	,	,
754	755	”	''	''
756	760	says	say	VBZ
761	766	Prof.	Prof.	NNP
767	771	Ehud	Ehud	NNP
772	779	Shapiro	Shapiro	NNP
780	782	of	of	IN
783	786	the	the	DT
787	795	Weizmann	Weizmann	NNP
796	805	Institute	Institute	NNP
805	806	,	,	,
807	810	who	who	WP
811	817	headed	head	VBD
818	821	the	the	DT
822	830	research	research	NN
830	831	.	.	.

838	842	Some	some	DT
843	853	scientists	scientist	NNS
854	861	believe	believe	VBP
862	871	DNA-based	dna-based	JJ
872	881	computers	computer	NNS
882	887	could	could	MD
888	892	have	have	VB
893	895	an	an	DT
896	905	advantage	advantage	NN
906	910	over	over	IN
911	919	existing	exist	VBG
920	929	computers	computer	NNS
930	935	based	base	VBN
936	938	on	on	IN
939	946	silicon	silicon	NN
947	952	chips	chip	NNS
952	953	.	.	.

954	964	Artificial	artificial	JJ
965	970	chips	chip	NNS
971	975	have	have	VBP
976	983	reached	reach	VBN
984	989	their	their	PRP$
990	996	limits	limit	NNS
997	1000	and	and	CC
1001	1003	ca	ca	MD
1003	1006	n’t	n't	RB
1007	1010	get	get	VB
1011	1014	any	any	DT
1015	1022	smaller	small	JJR
1022	1023	.	.	.

1024	1027	But	but	CC
1027	1028	,	,	,
1029	1032	say	say	VBP
1033	1036	the	the	DT
1037	1047	scientists	scientist	NNS
1047	1048	,	,	,
1049	1053	tiny	tiny	JJ
1054	1057	DNA	dna	NN
1058	1065	strands	strand	NNS
1066	1069	can	can	MD
1070	1075	store	store	VB
1076	1080	huge	huge	JJ
1081	1088	amounts	amount	NNS
1089	1091	of	of	IN
1092	1103	information	information	NN
1104	1106	in	in	IN
1107	1116	minuscule	minuscule	JJ
1117	1122	space	space	NN
1123	1125	–	--	:
1126	1129	one	one	CD
1130	1135	cubic	cubic	JJ
1136	1146	centimeter	centimeter	NN
1147	1149	of	of	IN
1150	1153	DNA	DNA	NNP
1154	1157	can	can	MD
1158	1163	store	store	VB
1164	1168	more	more	JJR
1169	1180	information	information	NN
1181	1185	than	than	IN
1186	1187	a	a	DT
1188	1196	trillion	trillion	CD
1197	1200	CDs	cd	NNS
1200	1201	.	.	.

1208	1213	Prof.	Prof.	NNP
1214	1221	Shapiro	Shapiro	NNP
1222	1226	says	say	VBZ
1227	1230	the	the	DT
1231	1240	molecular	molecular	JJ
1241	1249	computer	computer	NN
1250	1252	is	be	VBZ
1253	1256	the	the	DT
1257	1262	first	first	JJ
1263	1265	of	of	IN
1266	1269	its	its	PRP$
1270	1274	kind	kind	NN
1274	1275	.	.	.

1276	1284	Although	although	IN
1285	1294	computers	computer	NNS
1295	1299	with	with	IN
1300	1303	DNA	DNA	NNP
1304	1309	input	input	NN
1310	1313	and	and	CC
1314	1320	output	output	NN
1321	1325	have	have	VBP
1326	1330	been	be	VBN
1331	1335	made	make	VBN
1336	1342	before	before	RB
1342	1343	,	,	,
1344	1348	they	they	PRP
1349	1353	have	have	VBP
1354	1360	always	always	RB
1361	1369	involved	involve	VBN
1370	1371	a	a	DT
1372	1381	laborious	laborious	JJ
1382	1388	series	series	NN
1389	1391	of	of	IN
1392	1401	reactions	reaction	NNS
1401	1402	,	,	,
1403	1407	each	each	DT
1408	1417	requiring	require	VBG
1418	1423	human	human	JJ
1424	1435	supervision	supervision	NN
1435	1436	.	.	.

1437	1438	“	``	``
1438	1446	Previous	previous	JJ
1447	1457	biological	biological	JJ
1458	1467	computers	computer	NNS
1468	1472	were	be	VBD
1473	1476	the	the	DT
1477	1481	same	same	JJ
1482	1486	size	size	NN
1487	1489	as	as	IN
1490	1493	the	the	DT
1494	1498	room	room	NN
1499	1501	in	in	IN
1502	1507	which	which	WDT
1508	1511	the	the	DT
1512	1523	supervisors	supervisor	NNS
1524	1527	and	and	CC
1528	1536	computer	computer	NN
1537	1546	equipment	equipment	NN
1547	1553	worked	work	VBD
1553	1554	,	,	,
1554	1555	”	''	''
1556	1560	said	say	VBD
1561	1568	Shapiro	Shapiro	NNP
1568	1569	.	.	.

1570	1571	“	``	``
1571	1575	With	with	IN
1576	1579	the	the	DT
1580	1583	new	new	JJ
1584	1590	method	method	NN
1590	1591	,	,	,
1592	1595	all	all	DT
1596	1599	you	you	PRP
1600	1604	need	need	VBP
1605	1607	do	do	VB
1608	1610	to	to	TO
1611	1614	get	get	VB
1615	1617	an	an	DT
1618	1624	answer	answer	NN
1625	1627	is	be	VBZ
1628	1631	put	put	VBN
1632	1635	all	all	PDT
1636	1639	the	the	DT
1640	1651	ingredients	ingredient	NNS
1652	1656	into	into	IN
1657	1658	a	a	DT
1659	1663	test	test	NN
1664	1668	tube	tube	NN
1668	1669	,	,	,
1670	1673	mix	mix	VB
1674	1678	them	them	PRP
1679	1687	together	together	RB
1687	1688	,	,	,
1689	1692	and	and	CC
1693	1698	check	check	NN
1699	1701	to	to	TO
1702	1705	see	see	VB
1706	1710	what	what	WP
1711	1714	the	the	DT
1715	1721	output	output	NN
1722	1724	is	be	VBZ
1724	1725	.	.	.
1725	1726	”	''	''

1733	1736	For	for	IN
1737	1740	now	now	RB
1741	1751	biological	biological	JJ
1752	1761	computers	computer	NNS
1762	1766	only	only	RB
1767	1771	know	know	VBP
1772	1775	how	how	WRB
1776	1778	to	to	TO
1779	1785	answer	answer	VB
1786	1792	simple	simple	JJ
1793	1802	questions	question	NNS
1803	1807	with	with	IN
1808	1809	a	a	DT
1810	1811	“	``	``
1811	1814	yes	yes	UH
1814	1815	”	''	''
1816	1818	or	or	CC
1819	1820	“	``	``
1820	1822	no	no	DT
1822	1823	”	''	''
1824	1832	response	response	NN
1832	1833	.	.	.

1834	1835	A	a	DT
1836	1843	typical	typical	JJ
1844	1852	question	question	NN
1853	1858	would	would	MD
1859	1861	be	be	VB
1861	1862	:	:	:
1863	1865	In	in	IN
1866	1869	the	the	DT
1870	1878	sequence	sequence	NN
1879	1880	“	``	``
1880	1883	AAB	AAB	NNP
1883	1884	”	''	''
1885	1887	is	be	VBZ
1888	1893	there	there	EX
1894	1896	an	an	DT
1897	1902	equal	equal	JJ
1903	1909	number	number	NN
1910	1912	of	of	IN
1913	1915	As	a	NNS
1916	1919	and	and	CC
1920	1922	Bs	B	NNP
1922	1923	?	?	.

1930	1942	Nevertheless	nevertheless	RB
1942	1943	,	,	,
1944	1951	several	several	JJ
1952	1963	researchers	researcher	NNS
1964	1973	worldwide	worldwide	RB
1974	1978	have	have	VBP
1979	1985	hailed	hail	VBN
1986	1989	the	the	DT
1990	1999	computers	computer	NNS
2000	2002	as	as	IN
2003	2005	an	an	DT
2006	2015	important	important	JJ
2016	2019	new	new	JJ
2020	2031	development	development	NN
2031	2032	.	.	.

2033	2034	“	``	``
2034	2038	They	they	PRP
2039	2043	work	work	VBP
2044	2050	better	good	JJR
2051	2055	than	than	IN
2056	2064	anything	anything	NN
2065	2066	I	I	PRP
2066	2069	’ve	've	VBP
2070	2074	seen	see	VBN
2075	2077	so	so	RB
2078	2081	far	far	RB
2081	2082	,	,	,
2082	2083	”	''	''
2084	2088	said	say	VBD
2089	2093	Eric	Eric	NNP
2094	2098	Baum	Baum	NNP
2098	2099	,	,	,
2100	2101	a	a	DT
2102	2110	computer	computer	NN
2111	2120	scientist	scientist	NN
2121	2123	at	at	IN
2124	2127	the	the	DT
2128	2131	NEC	NEC	NNP
2132	2140	Research	Research	NNP
2141	2150	Institute	Institute	NNP
2151	2153	in	in	IN
2154	2163	Princeton	Princeton	NNP
2163	2164	,	,	,
2165	2168	New	New	NNP
2169	2175	Jersey	Jersey	NNP
2175	2176	.	.	.

2177	2185	Although	although	IN
2186	2188	he	he	PRP
2189	2198	questions	question	VBZ
2199	2206	whether	whether	IN
2207	2219	biomolecular	biomolecular	JJ
2220	2229	computers	computer	NNS
2230	2234	will	will	MD
2235	2239	ever	ever	RB
2240	2246	become	become	VB
2247	2253	really	really	RB
2254	2260	useful	useful	JJ
2260	2261	,	,	,
2262	2264	he	he	PRP
2265	2273	believes	believe	VBZ
2274	2278	they	they	PRP
2279	2282	are	be	VBP
2283	2284	a	a	DT
2285	2286	“	``	``
2286	2290	step	step	NN
2291	2293	in	in	IN
2294	2297	the	the	DT
2298	2303	right	right	JJ
2304	2313	direction	direction	NN
2313	2314	.	.	.
2314	2315	”	''	''

2322	2331	Professor	Professor	NNP
2332	2339	Shapiro	Shapiro	NNP
2340	2343	and	and	CC
2344	2345	a	a	DT
2346	2353	growing	grow	VBG
2354	2360	number	number	NN
2361	2363	of	of	IN
2364	2369	other	other	JJ
2370	2380	scientists	scientist	NNS
2381	2388	believe	believe	VBP
2389	2398	DNA-based	dna-based	JJ
2399	2408	computers	computer	NNS
2409	2412	may	may	MD
2413	2417	lead	lead	VB
2418	2420	to	to	TO
2421	2422	a	a	DT
2423	2429	number	number	NN
2430	2432	of	of	IN
2433	2439	useful	useful	JJ
2440	2452	applications	application	NNS
2453	2455	–	--	:
2456	2460	they	they	PRP
2461	2466	could	could	MD
2467	2469	be	be	VB
2470	2477	planted	plant	VBN
2478	2484	inside	inside	IN
2485	2490	cells	cell	NNS
2490	2491	,	,	,
2492	2497	where	where	WRB
2498	2502	they	they	PRP
2503	2508	would	would	MD
2509	2514	watch	watch	VB
2515	2518	for	for	IN
2519	2533	irregularities	irregularity	NNS
2534	2536	or	or	CC
2537	2541	even	even	RB
2542	2552	synthesize	synthesize	VB
2553	2558	drugs	drug	NNS
2558	2559	.	.	.

2566	2569	The	the	DT
2570	2578	computer	computer	NN
2579	2588	simulates	simulate	VBZ
2589	2592	the	the	DT
2593	2597	cell	cell	NN
2597	2599	’s	's	POS
2600	2607	natural	natural	JJ
2608	2618	mechanisms	mechanism	NNS
2619	2623	with	with	IN
2624	2626	an	an	DT
2627	2635	accuracy	accuracy	NN
2636	2641	level	level	NN
2642	2644	of	of	IN
2645	2649	99.8	99.8	CD
2650	2657	percent	percent	NN
2657	2658	.	.	.

2659	2666	Natural	natural	JJ
2667	2670	DNA	DNA	NNP
2671	2680	processes	process	NNS
2681	2685	also	also	RB
2686	2693	involve	involve	VBP
2694	2706	inaccuracies	inaccuracy	NNS
2707	2712	which	which	WDT
2713	2716	are	be	VBP
2717	2726	corrected	correct	VBN
2727	2729	by	by	IN
2730	2735	other	other	JJ
2736	2741	genes	gene	NNS
2741	2742	,	,	,
2743	2747	says	say	VBZ
2748	2755	Shapiro	Shapiro	NNP
2755	2756	,	,	,
2757	2760	and	and	CC
2761	2763	it	it	PRP
2764	2766	is	be	VBZ
2767	2773	almost	almost	RB
2774	2784	impossible	impossible	JJ
2785	2787	to	to	TO
2788	2793	reach	reach	VB
2794	2802	absolute	absolute	JJ
2803	2811	accuracy	accuracy	NN
2812	2817	using	use	VBG
2818	2828	biological	biological	JJ
2829	2836	systems	system	NNS
2836	2837	.	.	.

2838	2845	However	however	RB
2845	2846	,	,	,
2847	2850	for	for	IN
2851	2854	the	the	DT
2855	2859	uses	use	NNS
2860	2863	for	for	IN
2864	2869	which	which	WDT
2870	2873	the	the	DT
2874	2883	computers	computer	NNS
2884	2887	are	be	VBP
2888	2898	designated	designate	VBN
2898	2899	,	,	,
2900	2904	this	this	DT
2905	2910	level	level	NN
2911	2913	of	of	IN
2914	2922	accuracy	accuracy	NN
2923	2925	is	be	VBZ
2926	2934	adequate	adequate	JJ
2934	2935	.	.	.

2942	2944	So	so	RB
2945	2948	how	how	WRB
2949	2953	does	do	VBZ
2954	2958	such	such	PDT
2959	2960	a	a	DT
2961	2969	computer	computer	NN
2970	2974	work	work	NN
2974	2975	?	?	.

2976	2979	Let	Let	NNP
2979	2981	’s	's	POS
2982	2985	say	say	VBP
2986	2989	the	the	DT
2990	2998	computer	computer	NN
2999	3004	wants	want	VBZ
3005	3007	to	to	TO
3008	3012	know	know	VB
3013	3020	whether	whether	IN
3021	3024	the	the	DT
3025	3031	number	number	NN
3032	3034	of	of	IN
3035	3040	times	time	NNS
3041	3042	a	a	DT
3043	3044	“	``	``
3044	3045	B	B	NNP
3045	3046	”	''	''
3047	3050	DNA	dna	NN
3051	3055	type	type	NN
3056	3063	appears	appear	VBZ
3064	3066	in	in	IN
3067	3068	a	a	DT
3069	3072	DNA	DNA	NNP
3073	3080	section	section	NN
3081	3083	is	be	VBZ
3084	3087	odd	odd	JJ
3088	3090	or	or	CC
3091	3095	even	even	RB
3095	3096	.	.	.

3097	3100	The	the	DT
3101	3104	DNA	dna	NN
3105	3112	section	section	NN
3113	3115	–	--	:
3116	3119	the	the	DT
3120	3121	“	``	``
3121	3126	input	input	NN
3126	3127	”	''	''
3128	3130	–	--	:
3131	3133	is	be	VBZ
3134	3142	inserted	insert	VBN
3143	3147	into	into	IN
3148	3149	a	a	DT
3150	3158	chemical	chemical	JJ
3159	3167	solution	solution	NN
3168	3173	along	along	IN
3174	3178	with	with	IN
3179	3186	enzymes	enzyme	NNS
3187	3189	to	to	TO
3190	3192	be	be	VB
3193	3197	used	use	VBN
3198	3200	as	as	IN
3201	3204	the	the	DT
3205	3213	computer	computer	NN
3213	3215	’s	's	POS
3216	3217	“	``	``
3217	3225	hardware	hardware	NN
3225	3226	”	''	''
3226	3227	.	.	.

3228	3233	Other	other	JJ
3234	3237	DNA	dna	NN
3238	3246	sections	section	NNS
3247	3250	are	be	VBP
3251	3256	added	add	VBN
3256	3257	,	,	,
3258	3263	which	which	WDT
3264	3267	act	act	VBP
3268	3270	as	as	IN
3271	3272	“	``	``
3272	3280	software	software	NN
3280	3281	”	''	''
3281	3282	.	.	.

3289	3290	A	a	DT
3291	3299	software	software	NN
3300	3307	section	section	NN
3308	3314	sticks	stick	VBZ
3315	3317	to	to	TO
3318	3321	the	the	DT
3322	3327	input	input	NN
3328	3332	with	with	IN
3333	3336	the	the	DT
3337	3341	help	help	NN
3342	3344	of	of	IN
3345	3347	an	an	DT
3348	3354	enzyme	enzyme	NN
3354	3355	.	.	.

3356	3358	If	if	IN
3359	3362	the	the	DT
3363	3366	tip	tip	NN
3367	3369	of	of	IN
3370	3373	the	the	DT
3374	3379	input	input	NN
3380	3382	is	be	VBZ
3383	3384	“	``	``
3384	3385	B	B	NNP
3385	3386	”	''	''
3386	3387	,	,	,
3388	3391	the	the	DT
3392	3397	input	input	NN
3398	3402	will	will	MD
3403	3405	be	be	VB
3406	3413	labeled	label	VBN
3414	3416	as	as	IN
3417	3423	having	have	VBG
3424	3426	an	an	DT
3427	3430	odd	odd	JJ
3431	3437	number	number	NN
3438	3440	of	of	IN
3441	3442	“	``	``
3442	3443	B	B	NNP
3443	3444	”	''	''
3445	3454	sequences	sequence	NNS
3454	3455	.	.	.

3456	3463	Another	another	DT
3464	3470	enzyme	enzyme	NN
3471	3475	then	then	RB
3476	3480	cuts	cut	VBZ
3481	3484	the	the	DT
3485	3492	section	section	NN
3493	3496	and	and	CC
3497	3504	reveals	reveal	VBZ
3505	3508	the	the	DT
3509	3513	next	next	JJ
3514	3522	sequence	sequence	NN
3522	3523	.	.	.

3524	3528	Each	each	DT
3529	3533	time	time	NN
3534	3535	“	``	``
3535	3536	B	B	NNP
3536	3537	”	''	''
3538	3545	appears	appear	VBZ
3545	3546	,	,	,
3547	3550	the	the	DT
3551	3556	label	label	NN
3557	3559	on	on	IN
3560	3563	the	the	DT
3564	3569	input	input	NN
3570	3577	changes	change	VBZ
3578	3582	from	from	IN
3583	3584	“	``	``
3584	3588	even	even	RB
3588	3589	”	''	''
3590	3592	to	to	TO
3593	3594	“	``	``
3594	3597	odd	odd	JJ
3597	3598	”	''	''
3599	3602	and	and	CC
3603	3607	back	back	RB
3608	3613	again	again	RB
3613	3614	.	.	.

3615	3619	Once	once	RB
3620	3623	the	the	DT
3624	3632	computer	computer	NN
3633	3636	has	have	VBZ
3637	3646	dissected	dissect	VBN
3647	3650	the	the	DT
3651	3657	entire	entire	JJ
3658	3663	input	input	NN
3663	3664	,	,	,
3665	3667	it	it	PRP
3668	3671	can	can	MD
3672	3681	determine	determine	VB
3682	3689	whether	whether	IN
3690	3693	the	the	DT
3694	3702	sequence	sequence	NN
3703	3711	appeared	appear	VBD
3712	3714	an	an	DT
3715	3719	even	even	JJ
3720	3722	or	or	CC
3723	3726	odd	odd	JJ
3727	3733	number	number	NN
3734	3736	of	of	IN
3737	3742	times	time	NNS
3743	3752	according	accord	VBG
3753	3755	to	to	TO
3756	3759	the	the	DT
3760	3764	last	last	JJ
3765	3770	label	label	NN
3771	3773	–	--	:
3774	3777	the	the	DT
3778	3779	“	``	``
3779	3785	output	output	NN
3785	3786	”	''	''
3786	3787	.	.	.

3794	3797	The	the	DT
3798	3806	computer	computer	NN
3807	3810	can	can	MD
3811	3815	also	also	RB
3816	3818	do	do	VB
3819	3824	other	other	JJ
3825	3837	calculations	calculation	NNS
3837	3838	,	,	,
3839	3843	such	such	JJ
3844	3846	as	as	IN
3847	3855	checking	check	VBG
3856	3863	whether	whether	IN
3864	3867	the	the	DT
3868	3869	“	``	``
3869	3870	B	B	NNP
3870	3871	”	''	''
3872	3880	sequence	sequence	NN
3881	3888	appears	appear	VBZ
3889	3891	at	at	IN
3892	3897	least	least	JJS
3898	3902	once	once	RB
3902	3903	,	,	,
3904	3906	or	or	CC
3907	3909	at	at	IN
3910	3914	most	most	RBS
3915	3919	once	once	RB
3919	3920	,	,	,
3921	3923	by	by	IN
3924	3933	inserting	insert	VBG
3934	3943	different	different	JJ
3944	3949	types	type	NNS
3950	3952	of	of	IN
3953	3961	software	software	NN
3962	3966	DNAs	dna	NNS
3966	3967	.	.	.