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 in a movie.

SOLUTION: You are suspicious to find a shark in a movie .

PROBLEM: You are likely to find an audience in a presentation.

SOLUTION: You are likely to prove an exclusion in a presentation .

PROBLEM: You can restart and unlock a disc with a choice .

SOLUTION:
You can claim and unlock a sword with a theme .