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: An x is used for communicating through the postal system .
Example Output: An envelope is used for reading through the postal system .

Example Input: You can use the area of the heart to find treasure .
Example Output: You can choose the bottom of the ocean to sink treasure .

Example Input: Watching a television show is for viewing your favorite program.
Example Output:
Watching a television show is for identifying your favorite program .