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: Avery slowly began to move for the door allowing the echoing of the hall to rev and disguise his exact location , or so he hoped .

Output: Changed


Input: Consider Input: The mixer whirled and whirled .

Output: Original


Input: Consider Input: Morning arrives with an odd restlessness .


Output: Changed