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 would risk a phone call because you want to talk to some on .

SOLUTION: You would bother a blank call because you say to talk to some on .

PROBLEM: If you want to play basketball then you should get a ball.

SOLUTION: If you want to play basketball then you should dodge a ball .

PROBLEM: I have the fortune to be concerned about the enrichment of others .

SOLUTION:
I have the expertise to be concerned about the health of others .