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: A nun had appeared that morning to change the details of the murder suspect 's conveyance .
Example Output: Changed

Example Input: Tiny crystals my body yearns for , and my thoughts and worries drift from my head as my senses instantly heighten .
Example Output: Original

Example Input: Kat had pressured the man to cooperate , threatened him with grudge if he did not keep silent about tonight 's enterprise .
Example Output:
Changed