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.

You would sign a contract because you want to restore a house .
You would sign a contract because you want to buy a house.

A Key component of weather conditions is the temperature , which is quoted in degrees .
A Principal component of weather conditions is the temperature , which is spread in degrees .

If you want to go to a performance then you should buy tickets.

If you want to put to a judge then you should buy tickets .