Given a sentence, generate a new sentence by performing small changes on the sentence. Here, make sure that the changes are semantically related and syntactically similar to the input. And the generated sentence should have high commonsense plausibility, that is to have reasonable probability of it being true.

Q: Smoking is usually only allowed in certain places at work.

A: Smoking is usually only met in certain institutions at work .
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Q: An island is for being surrounded by water.

A: An island is for being surrounded by world .
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Q: Some fences are made of flour .

A:
Some fences are scored of wood .
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