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 mouse in a computer store.

SOLUTION: You are likely to find a mouse in a city store .

PROBLEM: You can use a Script to follow a case .

SOLUTION: You can use a plan to start a war .

PROBLEM: A little imagination and a cardboard box can entertain a child for hours.

SOLUTION:
A little imagination and a cardboard box can entertain a child for batteries .