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 is composed of hydrogen and oxygen.
[A]: ice is composed of hydrogen and oxygen .


[Q]: A bike can only acquire a liberal amount of weight .
[A]: A bike can only retain a certain stamp of advertising .


[Q]: Birds come in unique sizes , from very weak to very large .
[A]:
Birds come in many sizes, from very small to very large.