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: I let out a gasp while Cohen laughed and steered the dog away , stopping him from owning me .

Output: Changed


Input: Consider Input: " He 's made out of old iron and horseshoe nails . "

Output: Original


Input: Consider Input: " As for ' the Magister , ' I 've researched the term in the archives .


Output: Original