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: Water , unlike other substances , expands when it is loaded .

A: Water , unlike other grains , expands when it is frozen .
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Q: You are likely to find a football stash in an envelope .

A: You are sorry to find a th parcel in an envelope .
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Q: If you want to chat with politicians then you should t on a telephone .

A:
If you hesitate to chat with friends then you should pick up a telephone .
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