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: 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: She might be in the back of the church , but we all sat up front in the limelight since we were the preacher 's family .
Example Output: Original

Example Input: He and his cronies did not engage in business conversations in my presence .
Example Output:
Original