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: Healers were once regarded as the hands of the pagan gods here on Earth , the blessed few , the takers of suffering .
Example Output: Original

Example Input: I don 't need that kind of complication in my life . "
Example Output: Original

Example Input: That means the cats can hear sounds we can 't even imagine on both ends of the spectrum . "
Example Output:
Original