Question: Use Python 3 and nltk to write a program which determines whether, given the simple grammar, the sentences are valid. If a sentence is valid,

Use Python 3 and nltk to write a program which determines whether, given the simple grammar, the sentences are valid. If a sentence is valid, it should indicate true. If a sentence is not valid, it should indicate false. Please comment your code.

Use Python 3 and nltk to write a program which determines whether,

(S) (A)a(B)b (a) (1 point) (b) (1 point) (c) (1 point) (d) (1 point) baab bbbab bbaaaaa bbaab

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