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: Late at night on their second full day they sat and waited for a modification .

Output: Original


Input: Consider Input: " Aye , but I have good eyesight , " he said stiffly .

Output: Original


Input: Consider Input: Flying under the radar took time , Marlo often stopped to refuel or lie low for a few hours .


Output: Original