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: " For the necromancer , " he said .
Example Output: Changed

Example Input: And everything I have on this boat is covered with soot . "
Example Output: Original

Example Input: While we were out here stressing about you ?
Example Output:
Original