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 learn hands .

SOLUTION: People can adjust hands .

PROBLEM: A birthday cake definitely has lit candles on it .

SOLUTION: A carriage bench usually has lit candles on it .

PROBLEM: Stealing money from a taxi driver is a hoax .

SOLUTION:
Stealing money from a taxi driver is a crime.