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.

Example Input: Someone 's aunt Must play the lawyer .
Example Output: Someone 's aunt z play the queen .

Example Input: Hearing the technology requires hidden ears or hearing aids .
Example Output: Hearing the news requires good ears or hearing aids.

Example Input: A machine gun is for protecting your brother .
Example Output:
A machine gun is for protecting your tank .