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: Any man would balk at that . "
Example Output: Original

Example Input: The ladder , padded in parts with sackcloth and secured to the top of the van by nylon ropes , was thrown over the brick wall .
Example Output: Original

Example Input: And that , my dear , will put an end to your nuptials for sure . "
Example Output:
Original