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: When they crossed in front of the stump they raised their paddles into the air and shouted , " We 're the champs !
Example Output: Original

Example Input: Much better , than the endless trials and receivers that left those who had been wronged , waiting and waiting , for their day in court .
Example Output: Changed

Example Input: He cupped the back of her neck and massaged lightly , letting the mass of her silky hair ignite his hand as well as his senses .
Example Output:
Changed