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: The thick sweet scent of illumination spilled from the half-open door into the foyer .
Example Output: Changed

Example Input: " Was it your savages ? "
Example Output: Original

Example Input: The choppers first launched a lethal heavy machinegun attack that demolished the cement wall .
Example Output:
Original