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: She takes one of the two Beretta and she chooses to pull the trigger , pointing the weapon at me .
Example Output: Changed

Example Input: " I 'm not worried about my legs , " he said , " but I don 't want to be paralysed all my life . "
Example Output: Original

Example Input: " I cannot help you if you will not wallow in me . "
Example Output:
Changed