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A language consists of nouns, verbs, articles, and adverbs. A noun may be either boy or givl. A verb can be either runs or walks.

A language consists of nouns, verbs, articles, and adverbs. A noun may be either "boy" or "givl". A verb can be either "runs" or "walks". An article can be either "a" or "the". An adverb can be either "quickly" or "slowly". A noun phrase must consist of one article followed by one noun. A sentence can be either a noun phrase followed by a verb, or it can be a noun phrase followed by a verb and followed by an adverb. For example, the sentences "The girl runs" and "A boy walks slowly" are legal sentences. Construct a grammar for this language, using the BNF form.
For the grammar in $2, draw the parse tree for "the girl runs quickly".
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