1 Consider the sentence “Someone walked slowly to the supermarket” and a lexicon consisting of the following words:

For each of the preceding three grammars, write down three sentences of English and three sentences of non-English generated by the grammar. Each sentence should be significantly different, should be at least six words long, and should include some new lexical entries (which you should define). Suggest ways to improve each grammar to avoid generating the non-English sentences.

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Pronoun someone -> Verb walked Adv slowly Prep to Article the Noun supermarket Which of the following three grammars, combined with the lexicon, generates the given sen- tence? Show the corresponding parse tree(s).