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: She 'd spent her childhood sleeping in nooks , lairs , or alleys .
Example Output: Original

Example Input: said Neville , putting a protective hand over his leisure .
Example Output: Changed

Example Input: Deep in my stomach I felt a lurch , but I tried to stuff the bounds away .
Example Output:
Changed