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 fly in an ecosystem then you should plan a time .

SOLUTION: If you want to hike in an ID then you should study a ticket .

PROBLEM: You would go on the stage because you want the girl on the stage.

SOLUTION: You would start on the stage because you want the girl on the stage .

PROBLEM: You would meet for a run because it is good teamwork .

SOLUTION:
You would turn for a doctor because it is good entertainment .