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: Verity reached the bluff overlooking the ravine where she had seen the small boat earlier .
Example Output: Changed

Example Input: " What exactly is a human golem ? "
Example Output: Original

Example Input: Despite his pleas , Timmy could not convince his friend of Genny 's sincerity .
Example Output:
Original