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: If you want to maintain good willpower then you should eat little meat .

SOLUTION: If you want to maintain good health then you should eat little meat.

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: Many students would probably like to achieve high on drugs of various types .

SOLUTION:
Many veterans would probably like to get sick on drugs of various diseases .