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: " What about radios , " Collins asked , " There 's a chance they might get some satellites back online . "
Example Output: Original

Example Input: When her lips parted , I expected a string of thorns to come flying out .
Example Output: Changed

Example Input: " I repeat the question , " Lucia said once Pansy had unloaded .
Example Output:
Changed