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

Ex Output:
Original


Ex Input:
Late at night on their second full day they sat and waited for a modification .

Ex Output:
Original


Ex Input:
What the nobility does that mean ?

Ex Output:

Changed