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: " Miss , " the stewardess said , leaning into her chair .
Example Output: Original

Example Input: He mimicked her stance and her tone .
Example Output:
Original