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: Before I could tell them to stop , Romeo launched himself forward and used Braeden as some kind of launching pad .

Output: Original


Input: Consider Input: They were hard to read compared with digital notebooks .

Output: Changed


Input: Consider Input: The sales assistant 's superior attitude changed to reverence when he realised that he was serving the granddaughter of the great Conti .


Output: Original