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: His thick , muscular arms were accentuated by a sleeveless top .

Output: Original


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

Output: Changed


Input: Consider Input: It just glides right over us with smoke coming out of its nostrils .


Output: Original