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 excited to sew a rocket in your basement .

SOLUTION: You are likely to catch a delay in your clock .

PROBLEM: Because with gas you can wander to the store .

SOLUTION: Because with gas you can fuel to the store .

PROBLEM: If you want to buy a shirt then you should expect to spend money.

SOLUTION:
If you want to furnish a shirt then you should expect to spend money .