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]: The effect of reading is mind is gained .
[A]: The effect of reading is food is gained .


[Q]: A key can be a framework to a problem .
[A]: A key can be a solution to a problem.


[Q]: People watch sports in a stadium.
[A]:
boys watch sports in a stadium .