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.

Example Input: A coat of happiness does n't make us happier .
Example Output: A lot of sleep doesn't make us happier.

Example Input: CCC is the name that we give our mistakes .
Example Output: Experience is the name that we give our mistakes.

Example Input: You would climb a mountain because you want to reach the top.
Example Output:
You would climb a mountain because you want to protect the top .