Question: (2 points) Consider the language consisting of strings that have n copies of the letter a followed by 2n copies of the letter b where

(2 points) Consider the language consisting of strings that have n copies of the letter a followed by 2n copies of the letter b where n > 0. For example, the strings abb, aabbbb, and aaabbbbbb are in the language but a, ab, ba and aabbb are not. Give an unambiguous BNF grammar for the language

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