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: An artist can craft art .

SOLUTION: An ach can abal art .

PROBLEM: A friend  can judge the actions of another friend.

SOLUTION:
A cell can judge the actions of another friend .