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 , " said the Angel , " We will start our recreation of holy places with the Sacred Earth itself .
Example Output: Changed

Example Input: I let out a gasp while Cohen laughed and steered the dog away , stopping him from owning me .
Example Output: Changed

Example Input: Terry nodded his acknowledgement .
Example Output:
Original