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Question 2[15 points Consider the following context-free grammar This grammar generates all strings where in every prefix the number of a's is greater than or

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Question 2[15 points Consider the following context-free grammar This grammar generates all strings where in every prefix the number of a's is greater than or equal to the number of b's. Show that this grammar is ambiguous by giving an example of a string and showing that it has two different derivations

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