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: You are likely to find a football stash in an envelope .
Example Output: You are sorry to find a th parcel in an envelope .

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

Example Input: The grandson watched the procession .
Example Output:
The audience watched the movie.