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: Her mother used her long nails to fluff her hair .
Example Output: Original

Example Input: He couldn 't speak , not even telepathically , as though the nature of the show had scrambled his holsters .
Example Output: Changed

Example Input: " I clean lavatory in breastplate . "
Example Output:
Changed