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: The effect of covering art is you want to exclude it .

SOLUTION: The importance of seeing art is you want to buy it .

PROBLEM: You can use the sky to test an airplane opposite the eye .

SOLUTION: You can use the service to berth an airplane across the platform .

PROBLEM: You are likely to find the sun in the middle of the solar system.

SOLUTION:
You are careful to find the particles in the circulation of the solar system .