U -> S | Q
Q -> W VP C| W NP C | W VP NP C | W VP NP VP C | W NP VP C | V NP C | V NP C C
W -> WRB | WP | WDT
S -> NP VP C | NP C | NP VP S
C -> NP | VP | PREP
NP -> N | JJ | J NP | D NP | N NP | RB NP | PREP NP
VP -> V VP | V RB | RB VP | V | V PREP VP | V PREP
PREP -> IN | TO
V -> VBD | VBP | VBZ | VBN | VBG | VB | MD
D -> DT | CD | PRPPOS
N -> NN | NNS | NNP | NNPS | PRP | DT
J -> JJ | JJR | JJS
