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.

Example Input: A pencil is discarded for writing .
Example Output: A theme is used for b .

Example Input: A island is a piece of land surrounded by water on all exits .
Example Output: A dome is a piece of arch surrounded by water on all streams .

Example Input: You would risk a phone call because you want to talk to some on .
Example Output:
You would bother a blank call because you say to talk to some on .