In this task, you are given a sentence. You must judge whether a single noun or verb has been replaced with another word with the same part of speech. The inversion would result in the sentence sounding unnatural, So unnatural sentences will be considered changed. Label the instances as "Original" or "Changed" based on your judgment.

Example Input: I really shouldn 't have provoked her like that .
Example Output: Original

Example Input: Maybe she 'd dubbed herself on his heart when she was born .
Example Output: Changed

Example Input: You then met and made out with Dylan , a cad that seemed like a pretty nice guy , that was clearly into you and only you .
Example Output:
Changed