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 the area of the heart to find treasure .

SOLUTION: You can choose the bottom of the ocean to sink treasure .

PROBLEM: A card can be used to obtain cash.

SOLUTION: A card can be done to track cash .

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

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