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 take a course then you should go to school.

SOLUTION: If you want to take a course then you should recommend to school .

PROBLEM: You can use a gift to use your money.

SOLUTION: You can evolve a tactic to use your money .

PROBLEM: You are likely to find a vehicle around in a jungle .

SOLUTION:
You are likely to find a canoe around in a jungle .