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 can use a swimming pool to swim,.

SOLUTION: You can use a kick approach to swim , .

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

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

PROBLEM: A widow can hold back her tears.

SOLUTION:
A widow can break back her bindings .