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:
Hector helped himself to a cracker with a swirled topping .

Ex Output:
Original


Ex Input:
But most of them are just well-meaning but naive people , dupes taken in by the rhetoric and deceit of a handful at the top .

Ex Output:
Original


Ex Input:
His breath stank to high heaven , and she pulled back in uncontrollable disgust .

Ex Output:

Changed