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: If you want to enhance software then you should learn to program computers .

SOLUTION: If you want to classify software then you should rewrite to program computers .

PROBLEM: If you 're married , you 't take turns preparing food .

SOLUTION: If you 're married , you will take turns preparing food .

PROBLEM: You are likely to find a supermarket around in apples.

SOLUTION:
You are likely to plant a supermarket around in apples .