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: A girl can lend you money .

SOLUTION: A university can do you money .

PROBLEM: You would bake a cake because a friend was celebrating a birthday.

SOLUTION: You would bake a number because a friend was wasting a birthday .

PROBLEM: You can use a strip mall to buy magazines.

SOLUTION:
You can use a strip mall to accept magazines .