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: They were hard to read compared with digital notebooks .

Output: Changed


Input: Consider Input: Charlotte came just like that , convulsing around him , his chest to her back , his Sylvia Day - Bad Boys Ahoy !

Output: Original


Input: Consider Input: I haven 't charted any tracks south of Virginia .


Output: Original