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: " You 've improved your weaponry .

Output: Original


Input: Consider Input: He stilled , his muscles cramping from strain .

Output: Changed


Input: Consider Input: The technical details remained a little fuzzy to him , but no matter , he had created an aggressive market for this white haired mermaid .


Output: Changed