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: Derrick , slow down to a boar 's pace , please .
Example Output: Changed

Example Input: It was like a handcuff trapping me to a jail cell , a halo around my heart .
Example Output: Changed

Example Input: " And you bombed the ship , " Aria added .
Example Output:
Original