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: God speaks to us using words and concepts that we can understand.

SOLUTION: Daniel speaks to us using words and concepts that we can summarize .

PROBLEM: Parents can allow children to make mistakes.

SOLUTION:
Parents can allow children to flag mistakes .