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: It looked daunting enough from a distance but when the bearded hunter stood in front of the Tunnel of Lights it looked absolutely menacing .

Output: Original


Input: Consider Input: That is all IT is ... beat the competition ... ' ' Naturally ... by co-operating in mutual enhancement ? '

Output: Changed


Input: Consider Input: Gina opened her desk draw and busied herself with papers .


Output: Original