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: All week he 'd wormed his will not to go near the girl .

Output: Changed


Input: Consider Input: In fact , we repent of vampires loving others of our kind . "

Output: Changed


Input: Consider Input: His knees ached , and his lower back threatened to lease .


Output: Changed