v-vorfeld-f-h              := structure-vorfeld-filler-head.
v-vorfeld-a-h-modal        := structure-vorfeld-adjunct-head-modal.

v-left-bracket-h-cl        := structure-left-bracket-head-cluster.

v-mittelfeld-lb-h-s        := structure-mittelfeld-lb-head-subject. 
v-mittelfeld-lb-h-c-1      := structure-mittelfeld-lb-head-complement-1.
v-mittelfeld-lb-h-c-2      := structure-mittelfeld-lb-head-complement-2.
v-mittelfeld-lb-h-c-3      := structure-mittelfeld-lb-head-complement-3.
v-mittelfeld-lb-h-a        := structure-mittelfeld-lb-head-adjunct.

v-mittelfeld-rb-s-h        := structure-mittelfeld-rb-subject-head. 
v-mittelfeld-rb-c-h-1      := structure-mittelfeld-rb-complement-head-1.
v-mittelfeld-rb-c-h-2      := structure-mittelfeld-rb-complement-head-2.
v-mittelfeld-rb-c-h-3      := structure-mittelfeld-rb-complement-head-3.
v-mittelfeld-rb-a-h        := structure-mittelfeld-rb-adjunct-head.
v-mittelfeld-rb-h-rf       := structure-mittelfeld-rb-head-rfiller.

v-right-bracket-h-cl       := structure-right-bracket-head-cluster.
v-right-bracket-cl-h       := structure-right-bracket-cluster-head.

v-nachfeld-h-c-1           := structure-nachfeld-head-complement-1.
v-nachfeld-h-c-2           := structure-nachfeld-head-complement-2.
v-nachfeld-h-a             := structure-nachfeld-head-adjunct.
v-nachfeld-h-cl            := structure-nachfeld-head-cluster.

n-pre-a-h     := structure-nominal-pre-head-adjunct.
n-det-d-h     := structure-nominal-det-head-determiner.
n-mid-a-h     := structure-nominal-mid-head-adjunct.
n-post-h-c    := structure-nominal-post-head-complement.
n-post-h-app  := structure-nominal-post-head-apposition. 
n-post-h-a-1  := structure-nominal-post-head-adjunct-1.
n-post-h-a-2  := structure-nominal-post-head-adjunct-2.

other-h-c     := structure-ordered-other-right-head-complement.
other-h-a     := structure-ordered-other-right-head-adjunct.
other-c-h     := structure-ordered-other-left-complement-head.
other-a-h     := structure-ordered-other-left-adjunct-head.

rel-phrase-s  := structure-rel-phrase-subject.
rel-phrase-c  := structure-rel-phrase-complement.
rel-phrase-a  := structure-rel-phrase-adjunct. 

empty-det     := structure-np-no-det.

gen-mod-det    := structure-genitive-modification-det.
gen-mod-no-det := structure-genitive-modification-no-det.
slash-escape   := structure-slash-escape.
bind-anc-1     := structure-bind-anc-1. 
bind-anc-2     := structure-bind-anc-2. 
bind-anc-3     := structure-bind-anc-3. 
psp-to-ap      := structure-psp-to-ap.

direct-speech := structure-direct-speech.

c-v-ns-uni-right        := structure-coordination-noslash-uni-subj-right. 
c-v-ns-uni-left         := structure-coordination-noslash-uni-subj-left.
c-v-ns-uni-left2        := structure-coordination-noslash-uni-subj-left2.
;c-v-ns-uni-asynd        := structure-coordination-noslash-uni-subj-asynd. 

c-v-ns-sep-right        := structure-coordination-noslash-sep-subj-right. 
c-v-ns-sep-left         := structure-coordination-noslash-sep-subj-left.
c-v-ns-sep-left2        := structure-coordination-noslash-sep-subj-left2.
c-v-ns-sep-asynd        := structure-coordination-noslash-sep-subj-asynd. 

c-v-s-right        := structure-coordination-slash-subj-right. 
c-v-s-left         := structure-coordination-slash-subj-left.
c-v-s-left2        := structure-coordination-slash-subj-left2.
;c-v-s-asynd        := structure-coordination-slash-subj-asynd. 

c-v-rc-right        := structure-coordination-rc-right. 
c-v-rc-left         := structure-coordination-rc-left.
c-v-rc-left2        := structure-coordination-rc-left2.
;c-v-rc-asynd        := structure-coordination-rc-asynd. 

c-np-right    := structure-coordination-np-right.
c-np-left     := structure-coordination-np-left.
c-np-left2    := structure-coordination-np-left2.
;c-np-asynd    := structure-coordination-np-asynd.

c-nbar-right    := structure-coordination-nbar-right.
c-nbar-left     := structure-coordination-nbar-left.
c-nbar-left2    := structure-coordination-nbar-left2.
;c-nbar-asynd    := structure-coordination-nbar-asynd.
; I don't think this is ever needed. 

c-eq-pp-right   := structure-coordination-eq-pp-right.
c-eq-pp-left    := structure-coordination-eq-pp-left.
c-eq-pp-left2   := structure-coordination-eq-pp-left2.
;c-eq-pp-asynd   := structure-coordination-eq-pp-asynd.

c-diff-pp-right := structure-coordination-diff-pp-right.
c-diff-pp-left  := structure-coordination-diff-pp-left.
c-diff-pp-left2 := structure-coordination-diff-pp-left2.
;c-diff-pp-asynd := structure-coordination-diff-pp-asynd.

c-ap-right    := structure-coordination-ap-right.
c-ap-left     := structure-coordination-ap-left.
c-ap-left2    := structure-coordination-ap-left2.
;c-ap-asynd    := structure-coordination-ap-asynd.

c-avp-right   := structure-coordination-avp-right.
c-avp-left    := structure-coordination-avp-left.
c-avp-left2   := structure-coordination-avp-left2.
;c-avp-asynd   := structure-coordination-avp-asynd.

c-trunc-left  := structure-coordination-trunc-left. 
c-trunc-left2 := structure-coordination-trunc-left2. 



;;;;;;;;;;;;;;;;;;;;;;
;; ROBUSTNESS RULES ;;
;;;;;;;;;;;;;;;;;;;;;;

;h-r-non-verb := structure-robust-non-verb-head-first.
;r-h-non-verb := structure-robust-non-verb-head-last.

;h-r-v1 := structure-robust-v1-head-first.
;r-h-v1 := structure-robust-v1-head-last.

;h-r-v2 := structure-robust-v2-head-first.
;r-h-v2 := structure-robust-v2-head-last.

;h-r-v3 := structure-robust-v3-head-first.
;r-h-v3 := structure-robust-v3-head-last.