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.

Input: Consider Input: It was Friday , herding us an extra hour extension at our dorm .

Output: Changed


Input: Consider Input: The force of the earth 's arching was not discriminate between city and human .

Output: Original


Input: Consider Input: A small amount of water sloshed around the bottom of the boat as they all made their way onboard .


Output: Original