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 regret confronting this burden on one so young , but you are the most likely to succeed .
Example Output: Changed

Example Input: Her first thought , incongruous but overpowering , was to grieve him so she could draw him later .
Example Output: Changed

Example Input: " Tell me , " I say , rubbing my hands over the expansion of the bottle .
Example Output:
Changed