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: He laughed , but without any merriment in his pale blue eyes .

Output: Original


Input: Consider Input: Humans outnumber us , Sali , and it confuses things .

Output: Original


Input: Consider Input: And they 're checking and repairing the animal cages as well , after all the jostling they took during the storm .


Output: Original