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: I thought it was a mirage .
Example Output: Original

Example Input: Her cupboards were abruptly halted when Cole walked into the kitchen , trailed by her son .
Example Output: Changed

Example Input: There are hordes of people wanting to pull you down and then you do not have options . "
Example Output:
Original