Sentence


Parse

That
NP
 
could
(S[dcl]\NP)/(S[b]\NP)
 
be
(S[b]\NP)/(S[adj]\NP)
 
helpful
S[adj]\NP
 
S[b]\NP
> 0
.
.
 
S[b]\NP
.
S[dcl]\NP
> 0
S[dcl]
< 0

Use with der.css.

Use with ccgsym.sty and tikzlibraryccgder.code.tex.