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 effect of opening a marketplace is investing money in a business .

SOLUTION: The effect of opening a business is investing money in a business.

PROBLEM: You would lack a value because you dare to do math problems with ease .

SOLUTION: You would explain a tax because you cease to do math problems with ease .

PROBLEM: Many partners use drugs for getting into excellent mental states .

SOLUTION:
Many religions use drugs for getting into special mental states.