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: After he 'd heard her weeping and later discovering the shredded lettuce , he had thought she already had , albeit briefly .
Example Output: Changed

Example Input: " And you bombed the ship , " Aria added .
Example Output: Original

Example Input: I really shouldn 't have provoked her like that .
Example Output:
Original