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 survive a game in a toy store .

SOLUTION: You are likely to recognise a game in a toy match .

PROBLEM: When ice melts, it becomes water.

SOLUTION: When ice melts , it preserves water .

PROBLEM: Peace women can defend war .

SOLUTION:
Sex talks can allow war .