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: Avery slowly began to move for the door allowing the echoing of the hall to rev and disguise his exact location , or so he hoped .
Example Output: Changed

Example Input: The bartender glanced over at us , then went back to toweling his wine merchants .
Example Output: Changed

Example Input: Maryanne marched into the apartment , plunked her bag of groceries on the kitchen counter and spun around to confront her neighbor .
Example Output:
Original