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: The bartender glanced over at us , then went back to toweling his wine merchants .

Output: Changed


Input: Consider Input: I know where we can have a shootout with some cops !

Output: Original


Input: Consider Input: " Anatolia is no longer our expansion . "


Output: Changed