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: Andrew ordered a beer , Megan ordered a margarita , and Kelly ordered her third glass .
Example Output: Original

Example Input: Tiny crystals my body yearns for , and my thoughts and worries drift from my head as my senses instantly heighten .
Example Output: Original

Example Input: She was ready to cry after them to prevent it , but they bypassed the door .
Example Output:
Original