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: " Good thing I 've got a trump card . "

Output: Original


Input: Consider Input: On each side of the head , near the ears , grew an antenna through which it tagged with others .

Output: Changed


Input: Consider Input: I agree to the basic concept , but we 'll work out the seams .


Output: Changed