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:
" And you bombed the ship , " Aria added .

Ex Output:
Original


Ex Input:
The toilet flushed , and shopkeeper turned back to watch Oksana emerge from the bathroom .

Ex Output:
Changed


Ex Input:
In addition to that , I had this architect with lots of my favorite books .

Ex Output:

Changed