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: No , if you 're gon na go down there to Al 's fishin ' spot you 're gon na have to discount it .
Example Output: Changed

Example Input: Noah kept his hold on Claire as he waited for Gwen to drop another binder .
Example Output: Changed

Example Input: Carol seemed convinced that she and Doug would be able to adopt a baby .
Example Output:
Original