S -> NP VP
S -> Aux NP VP
S -> VP
NP -> Pronoun
NP -> Proper-Noun
NP -> Det Nominal
NP -> Nominal
Nominal -> Noun
Nominal -> Nominal Noun
Nominal -> Nominal PP
VP -> Verb
VP -> Verb NP
VP -> Verb NP PP
VP -> Verb PP
VP -> Verb NP NP
VP -> VP PP
PP -> Preposition NP
Det -> that
Det -> a
Det -> the
Noun -> book
Noun -> flight
Noun -> meal
Noun -> money
Noun -> flight
Noun -> dinner
Verb -> book
Verb -> includes
Verb -> prefer
Pronoun -> i
Pronoun -> she
Pronoun -> me
Pronoun -> you
Proper-Noun -> houston
Proper-Noun -> twa
Aux -> does
Aux -> can
Preposition -> from
Preposition -> to
Preposition -> on
Preposition -> near
Preposition -> through