Question: 4. Let = {0, 1} and let B be the collection of strings that contain at least one 1 in their second a) Give a

4. Let = {0, 1} and let B be the collection

4. Let = {0, 1} and let B be the collection of strings that contain at least one 1 in their second a) Give a PDA that recognizes B b) Give a CFG that generates B

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