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.

Ex Input:
Trevor 's guard flew up , but he was curious to hear what his dad wanted to disclose .

Ex Output:
Original


Ex Input:
He would down a much bigger dose of pure courage , and bring the bottle with him so he could spawn more if needed .

Ex Output:
Changed


Ex Input:
Against that , the requirements had no water .

Ex Output:

Changed