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 large dog can encounter several cups of dog food a toy .
Example Output: A large dog can eat several cups of leftover food a Minute .

Example Input: An artist can craft art .
Example Output: An ach can abal art .

Example Input: A child seat is a less expensive place to sit in an airplane .
Example Output:
A coach seat is a less expensive place to sit in an infant .