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 are likely to find a cellar with a lock in action .

SOLUTION: You are likely to find a door with a lock in prison.

PROBLEM: You are likely to find a heater in a barn .

SOLUTION: You are likely to find a poem in a menu .

PROBLEM: A judge can settle a suit.

SOLUTION:
A judge can settle a baby .