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 imagine it also has to do with a variety of other Reboots .
Example Output: Changed

Example Input: She 'd have a natural flair for artistic expression , creating impressive pieces that 'd reflect her heart in the world .
Example Output: Changed

Example Input: Then I was awoken from my sleep by more footsteps on the cold ground .
Example Output:
Original