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: He shook his head , feeling like Daffy Duck doing an over-the-top wet , slobbery hunk .
Example Output: Changed

Example Input: ' Hold quite still or I 'll gnaw you ! '
Example Output: Original

Example Input: Last time they went , he 'd eaten all the popcorn as well as two ice-cream makers .
Example Output:
Changed