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 Input:
The effect of opening a marketplace is investing money in a business .

Ex Output:
The effect of opening a business is investing money in a business.


Ex Input:
A coat of happiness does n't make us happier .

Ex Output:
A lot of sleep doesn't make us happier.


Ex Input:
humans can begin a test .

Ex Output:

Students can enter a test .