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 'm not worried about my legs , " he said , " but I don 't want to be paralysed all my life . "

Output: Original


Input: Consider Input: But do not stand in the way of my classmate .

Output: Changed


Input: Consider Input: I have a battle briefing to prepare for Priam .


Output: Original