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: You would know how the horse service performed because you are a pension broker .
Example Output: You would post now the stock market performed because you are a stock broker .

Example Input: pi can climb a hole .
Example Output: pie can climb a park .

Example Input: If you want to establish war then you should march for peace .
Example Output:
If you want to fight war then you should march for neutrality .