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: And everything I have on this boat is covered with soot . "

Output: Original


Input: Consider Input: " If you would stop offering idiotic fitness , I would tell you what I actually have found . "

Output: Changed


Input: Consider Input: It has been nearly a full millennia since there was a natural willing to work the gates for us , " Roberts said .


Output: Original