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: A hard lecturing , and it was taking Marian longer to recover .
Example Output: Changed

Example Input: It looked daunting enough from a distance but when the bearded hunter stood in front of the Tunnel of Lights it looked absolutely menacing .
Example Output: Original

Example Input: " Thom has a ticket that was awarded to him because of his betrayal of you .
Example Output:
Original