Question 7(5pt)

You probably remember this lexicon / grammar from our lectures.

Lexicon

• D: the, a, one (determiners)
• N: dog, cat, fish, bird, rock, tree (nouns)
• V: saw, ate, swam, climbed, resembles (verbs)
• C: and, or (connectives)

A mini-grammar for this English.

1. V_T={D, N, V, C}
2. V_n={S, S^r, NP, V P}
3. S
4. R=

S S^r

S S^r C S^r S^r NP V P V P V NP NP D N

Consider the following example:

(a) The cat saw the fish swim.

Does the grammar generate it? If not, does this mean that the grammar over- generates or undergenerates? After you've explain whether it overgenerates or undergenerates, add a new rule to the grammar so that it generate this sentence. Finally, provide a derivation (using your new rule) that generates this sentence.