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 play an apple tree around in a forest .

SOLUTION: You are likely to find an apple tree around in a forest.

PROBLEM: You are enough to find a leader in a group .

SOLUTION: You are likely to engage a voter in a pattern .

PROBLEM: If you want to import a pie then you should find the recipe .

SOLUTION:
If you volunteer to bake a slice then you should find the net .