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:
Lettie looked up from the pastries .

Ex Output:
Original


Ex Input:
Dean cussed under his breath .

Ex Output:

Original