TASK DEFINITION: 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.
PROBLEM: You are likely to find a float around in a plate .

SOLUTION: You are likely to find a knife right in a plate .

PROBLEM: The effect of helping someone is improving a situation.

SOLUTION: The habit of helping someone is improving a situation .

PROBLEM: Some girls dance on tables at parties.

SOLUTION:
Some girls swing on gentlemen at parties .