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: Fortunately , Paul 's fridge was full of fresh lettuce , tomatoes , coolers , and mushrooms .
Example Output: Changed

Example Input: " The heads of the Arab states and the Majlis have authorized me to make you an offer . "
Example Output: Original

Example Input: Her voice was a delusion , born out of the increasing grip insanity was taking on me , thanks to the rare type of magic I used .
Example Output:
Original