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 grabbed my weapons , sheathed them , and reverted back to my normal form .

Ex Output:
Original


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 's a brave kid , " John replied , slurping up some of his stew .

Ex Output:

Original