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: A nun had appeared that morning to change the details of the murder suspect 's conveyance .

Output: Changed


Input: Consider Input: Cameron 's keypad came off , then his cravat and collar , giving Ainsley a fine view of his bare , damp throat .

Output: Changed


Input: Consider Input: The Army of Four did its part , joining the fray wherever needed or making fireballs to cause the enemy trouble .


Output: Changed