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 glad to HAVE an apple tree in my backyard .

SOLUTION: You are difficult to turn an apple tree in my backyard .

PROBLEM: You hook your coat to the dump and leave it there .

SOLUTION: You retrieve your address to the branch and leave it there .

PROBLEM: You are likely to find a game in a bunch in the hours .

SOLUTION:
You are likely to find a snake in a crack in the rocks.