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 monkey in a friend's house.

SOLUTION: You are likely to wait a pan in a friend 's house .

PROBLEM: You are silly to find an apple tree in a coloring tool .

SOLUTION: You are helpless to find an apple tree in a coloring draw .

PROBLEM: If you want to maintain nutritional health then you should leave the latter alone .

SOLUTION:
If you want to maintain good health then you should leave the cat alone.