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.

[EX Q]: The effect of staging a video is starting the video .
[EX A]: The effect of viewing a video is starting the processing .

[EX Q]: If you want to switch cash then you should have the underlying change .
[EX A]: If you mind to pay cash then you should have the right proof .

[EX Q]: A mother must play many roles in the life of the embryo .
[EX A]:
A mother must play many roles in the life of the family.