forked from GitHub/gf-core
9 lines
276 B
EBNF
9 lines
276 B
EBNF
S ::= NP VP ;
|
|
VP ::= V | TV NP | "is" A ;
|
|
NP ::= ("this" | "that" | "the" | "a") CN ;
|
|
CN ::= A CN ;
|
|
CN ::= "boy" | "louse" | "snake" | "worm" ;
|
|
A ::= "green" | "rotten" | "thick" | "warm" ;
|
|
V ::= "laughs" | "sleeps" | "swims" ;
|
|
TV ::= "eats" | "kills" | "washes" ;
|