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: In fact , we repent of vampires loving others of our kind . "
Example Output: Changed

Example Input: You radioed in ; you received permission to terminate your watch .
Example Output: Original

Example Input: Conrad wasn 't paying attention to what she was diminishing to him .
Example Output:
Changed