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: " Easy enough , " he assures me .
Example Output: Original

Example Input: And besides that - father or not - he took care of you , nurtured and brought you up , for years .
Example Output: Original

Example Input: " We should start with some weights .
Example Output:
Changed