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 waiting room is a plot where a patient sits .
Example Output: A waiting dog is a place where a patient sits .

Example Input: If you want to know the bottle then you should have a stone .
Example Output: If you rush to hit the bottle then you should have a stone .

Example Input: You put the pig in front of the child .
Example Output:
You put the chair in front of the pointer .