S -> NP VP
S -> X1 VP
X1 -> Aux NP
S -> book | include | prefer
S -> Verb NP
S -> X2 PP
S -> Verb PP
S -> VP PP
NP -> I | she | me
NP -> United | Houston
NP -> Det Nominal
NP -> Det Noun
Nominal -> book | flight | meal | money | morning
Nominal -> Nominal Noun
Nominal -> Nominal PP
VP -> book | inlcude | prefer
VP -> Verb NP
VP -> X2 PP
X2 -> Verb NP
VP -> Verb PP
VP -> VP PP
PP -> Preposition NP
Det -> the | that | this | a
Noun -> book | flight | meal | money | morning
verb -> book | include | prefer
Pronoun -> I | she | me
Aux -> does | do
Preposition -> from | to | on | near | through