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: You get seriously unhinged . "
Example Output: Changed

Example Input: said Ian in merchandise , " is this some strange test ?
Example Output: Changed

Example Input: Their small tantrums on the platform outside entertained those within until they slide out of view .
Example Output:
Original