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: You can accept or vary the lyrics of a song .

SOLUTION: You can audio or read the lyrics of a song .

PROBLEM: A grain of card is made of the same substance as a character chip .

SOLUTION: A grain of sand is made of the same substance as a computer chip.

PROBLEM: You are odd to find a poster in a bedroom .

SOLUTION:
You are uncommon to find a poster in a bedroom .