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 would bend me over into the scalding spray , and we would have sex like that .
Example Output: Original

Example Input: They rushed to save the damsel in distress .
Example Output: Original

Example Input: Before I can assimilate new nerves to grow , I 'll have to get rid of the damaged ones . "
Example Output:
Changed