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:
I wandered about the city as I disguised my days away and at night I tried to learn what would await me at the Arch .

Ex Output:
Changed


Ex Input:
The only things Mab had ever generously sloshed out had been pain , misery , and suffering , courtesy of her Fire magic .

Ex Output:
Changed


Ex Input:
He waited till the very last minute before he fabricated his reservations in Moscow .

Ex Output:

Changed