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: Ian , with his Bug eyes , had invited me to visit him in St. Louis .

Output: Changed


Input: Consider Input: Mr. Fitch , leading the cross-examination , noted that the pedestal had received a minor wound , and it was to his back .

Output: Changed


Input: Consider Input: She stood once again behind the podium , buttoning her black jacket in a sign that the membership was almost over .


Output: Changed