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: A simple touch , though the feelings he evoked were much more complex than simple .
Example Output: Original

Example Input: He gave her an exaggerated look of quicksand .
Example Output: Changed

Example Input: Female companions dotted the floor like colorful snowflakes , fallen onto darker ground .
Example Output:
Original