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: I wandered about the city as I disguised my days away and at night I tried to learn what would await me at the Arch .
Example Output: Changed

Example Input: While Sherman knocked on his door , he put on his sweatpants and smoothed out his hair .
Example Output:
Original