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]: A formation of a study loop is a useful tool for learning new information .
[A]: A feature of a Reddit group is a useful shorthand for learning new information .


[Q]: You are likely to find a pin in a tree .
[A]: You are likely to find a grape in a tree.


[Q]: To call someone on the phone you need to know his number.
[A]:
To call someone on the phone you figure to know his sound .