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: A Key component of weather conditions is the temperature , which is quoted in degrees .

SOLUTION: A Principal component of weather conditions is the temperature , which is spread in degrees .

PROBLEM: You are likely to find a football stash in an envelope .

SOLUTION: You are sorry to find a th parcel in an envelope .

PROBLEM: You are likely to find a highlighter gadget in a building .

SOLUTION:
You are annoying to find a highlighter pen in a drawer .