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 are likely to find a shark around in ocean.

SOLUTION: You are likely to seem a shark around in ocean .

PROBLEM: You can use a Script to follow a case .

SOLUTION: You can use a plan to start a war .

PROBLEM: You are likely to purchase a printer in each country .

SOLUTION:
You are default to find a widget in each scope .