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: Catherine , who was listening to the physician 's dire prognosis , jumped up from her chair and dashed for the door of the chamber .

Output: Original


Input: Consider Input: There must have been two hundred lakes and our unit was only forty , so the only thing we could have done was die alongside the others .

Output: Changed


Input: Consider Input: Maybe he was realizing that marriage to her for a year was going to put a serious flaw in his sex life .


Output: Changed