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: Red and yellow can be charred to make orange .
Example Output: Red and yellow can be enhanced to make orange .

Example Input: You are critical to find a science in college .
Example Output:
You are likely to posit a science in history .