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 'd figured that the faeries would be out on Halloween , but for some reason I 'd thought they 'd stay on their hills .
Example Output: Original

Example Input: A simple touch , though the feelings he evoked were much more complex than simple .
Example Output: Original

Example Input: I watch what I spend and live off the money from my sinuses . "
Example Output:
Changed