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 aim a light bulb around in a cluster .

SOLUTION: You are likely to space a light bulb around in a cage .

PROBLEM: To open a locked door you usually need to have a buddy .

SOLUTION: To open a locked door you usually need to have a key.

PROBLEM: You can collect a telephone to talk to a friend .

SOLUTION:
You can use a telephone to talk to a friend.