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: The brother got his rib cut off by a fan .

SOLUTION: The journalist got his ticket cut off by a fan .

PROBLEM: You would invite lunch because you are fine around noon .

SOLUTION: You would eat lunch because you are smart around noon .

PROBLEM: A can of shot must be opened before allowing it .

SOLUTION:
A can of soda must be opened before drinking it.