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 would read a documentary because an illness in it involves you .

SOLUTION: You would read a dystopian because an innovation in it interests you .

PROBLEM: You are likely to find a steel pen in a writer's pocket.

SOLUTION: You are likely to find a steel pen in a bartender 's pocket .

PROBLEM: Some robots study mental wandering .

SOLUTION:
Some Studies study mental attention .