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 might find that they had better luck starting over than trying to divulge what was currently in front of them .

Output: Changed


Input: Consider Input: You have someone fueling the chicks ? "

Output: Changed


Input: Consider Input: That 's what life 's all about , isn 't it , luv ? "


Output: Original