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: " Oh they were , " he owes me .
Example Output: Changed

Example Input: His lips were still moist , conveying a message of seduction even when they were silent .
Example Output: Original

Example Input: " Above the visor over your head . "
Example Output:
Original