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: The pressure on my mind unraveled .
Example Output: Changed

Example Input: The male voices in the clubhouse were strong like the sun in the summer .
Example Output: Changed

Example Input: Surely that would lessen our risk ? "
Example Output:
Original