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: They brandished swords of fire , lances , or staffs that burned at the tips but weren 't consumed .
Example Output: Changed

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

Example Input: " It 's like a modern-day blood transfusion from a dialysis machine .
Example Output:
Original