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: " I see , will you be shipping yourself out of Cuba using the new procedure ? "
Example Output: Original

Example Input: Collecting secret information , surveillance , unarmed combat , shooting , blackmail , sabotage , contractor , jungle survival -- bah !
Example Output: Changed

Example Input: And it was lunchtime as evidenced by the clump of cars that filled the remaining lot .
Example Output:
Changed