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: People can gather money .

SOLUTION: People can spend money.

PROBLEM: You can use stairs down to enter the club .

SOLUTION: You can use stairs down to shorten the passage .

PROBLEM: If you want to document about a subject then you should experience the internet .

SOLUTION:
If you want to scream about a subject then you should rape the internet .