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 really shouldn 't have provoked her like that .
Example Output: Original

Example Input: " Of course she knew all about pottery . "
Example Output: Original

Example Input: I moved over to a particularly interesting radiance , one of several placed throughout the room .
Example Output:
Changed