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: " Yes sir , " one of the soldiers replied , nearly a dozen in total -- each seated in front of a workstation .
Example Output: Original

Example Input: " Shot by some gangbangers during a glob of your parents ' grocery store .
Example Output: Changed

Example Input: You wanted to skip church and snuggle . "
Example Output:
Original