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: After the delirium took it for many days , so many nights , even factors could calm her down .
Example Output: Changed

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

Example Input: It was a sphere of some dull metal , without features or selflessness .
Example Output:
Changed