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: Then , grimacing , I altered my destination and turned the corner .
Example Output: Original

Example Input: The space felt less protective than it was imprisoning .
Example Output: Original

Example Input: Anything with a life-force can contribute to your spells , giving you energy and helping you to sustain it longer .
Example Output:
Original