ROOT-ROOT
acl-acl
advcl-advcl
advmod-advmod
amod-amod
appos-appos
aux-aux
case-case
cc-cc
ccomp-ccomp
compound-compound
conj-conj
csubj-csubj
cop-cop
dep-dep
det-det
expl:pass-expl
fixed-fixed
flat-flat
iobj-iobj
mark-mark
nmod-nmod
nsubj-nsubj
nummod-nummod
obj-obj
parataxis-parataxis
obl-obl
punct-punct
xcomp-xcomp