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 basis of comforting a ghost is it suggests them know you care .

SOLUTION: The effect of comforting a friend is it lets them know you care.

PROBLEM: If you want to smoke then you should have hazard insurance .

SOLUTION: If you wear to smoke then you should have cancer insurance .

PROBLEM: The pregnant lady cut the cake .

SOLUTION:
The gentle lady cut the ax .