Question: pls answer all the question from a-f 4 Give context-free grammars that generate the following languages. In all parts, the alphabet ( Sigma ) is

pls answer all the question from a-f 4 Give context-free grammars that generate the following languages. In all parts, the alphabet $ \Sigma $ is $ \{0,1\} $. A. $ \{w \mid w $ contains at least three 1 s $ \} $ b. \( \{w \mid w 1 answer

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