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 sigh with thriller .
Example Output: Changed

Example Input: I didn 't just yearn for his affection , or want to become one with him .
Example Output: Original

Example Input: The Captain was recently slain in Pennsylvania where he lived with his wife of six years .
Example Output:
Original