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: Shake the milk and witchcraft the kid if you want to keep your suit clean . "
Example Output: Changed

Example Input: " Oh , you 've met her applications ? "
Example Output: Changed

Example Input: I 'm sure there are competent professionals in Newmarket . "
Example Output:
Changed