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 of course being out in public made it that much more difficult to avoid catastrophe .

Output: Original


Input: Consider Input: " Hank 's at his bayonet .

Output: Changed


Input: Consider Input: He rubbed his hands against her slimy gritty back skin and created controversy .


Output: Changed