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: " Sir , floods are up .

Output: Changed


Input: Consider Input: Reluctantly I unwrapped mine and stared at the first cheeseburger I 'd been allowed in months .

Output: Original


Input: Consider Input: They didn 't seem to be stretching themselves with some relaxed and classy accommodation .


Output: Changed