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: A few nasty comments burrowed into my shortcomings as I walked out of the tunnel and into the night air .
Example Output: Changed

Example Input: A heavy mist rose from it , dissipating in wisps over the rocks and the sea .
Example Output: Original

Example Input: They mostly resided on lofty shelves near the summit of the temple .
Example Output:
Original