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: If you want to grab some physical activity then you should dip in circles .

SOLUTION: If you agree to get some physical activity then you should burn in circles .

PROBLEM: A blanket can be covering a bed.

SOLUTION: A Man can be washing a bed .

PROBLEM: Some instructions may be worked for less execution than others .

SOLUTION:
Some ads may be purchased for less control than others .