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: You can use a sword to connect str someone 's hand .
Example Output: You can hit a device to cut off someone 's part .

Example Input: Most chess players would correct their game by playing angles slightly better then themselves .
Example Output: Most chess queens would speed their game by determining players slightly better then themselves .

Example Input: A machine gun is for backing the enemy .
Example Output:
A machine gun is for harming the enemy .