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 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 would collapse because you need to take in gel into you lungs .

SOLUTION: You would decide because you need to take in alcohol into you lungs .

PROBLEM: You are weak to find a cover around in duck water .

SOLUTION:
You are likely to become a shark around in Shark water .