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: An advance on his grenades was what he wanted so he had said .

Output: Changed


Input: Consider Input: My sorcery was weak here . "

Output: Original


Input: Consider Input: There were several messengers in the eastern part of Tennessee , strewn across the crooked edge of the state like minefields in its history .


Output: Changed