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 jumped in Colt 's truck and grabbed the keys from the RV .
Example Output: Changed

Example Input: Everyone was up by the time we got back , and most were already in their bathing suits and working on their tans .
Example Output: Original

Example Input: Even with that , Payton was able to block and parry Lea 's attacks , which made things look bad for Lea .
Example Output:
Original