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.

Example Input: Cadmus had been passed around and ogled by every female in attendance .
Example Output: Original

Example Input: She taste like chocolate and smells like firecrackers as my tongue explores every inch of her mouth .
Example Output: Changed

Example Input: There are only requirements of light and dark .
Example Output:
Changed