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: I too am an old geezer with a limited fuse .
Example Output: Original

Example Input: We brought her here , drove the toxins from her body and gave her refuge .
Example Output: Original

Example Input: The minute we weaken our specialized position , they 'll attack , " the last councilor predicted .
Example Output:
Changed