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.

Ex Input:
" I 'm not worried about my legs , " he said , " but I don 't want to be paralysed all my life . "

Ex Output:
Original


Ex Input:
Trevor 's guard flew up , but he was curious to hear what his dad wanted to disclose .

Ex Output:
Original


Ex Input:
Look , I have had it and still do , but the tumors are withdrawing , and it 's all because of Joshua 's invention .

Ex Output:

Changed