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.

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

A: Original
****
Q: The spire of white and crystal crumbled to the ground , casting clouds of choking dust in every direction .

A: Original
****
Q: The air above them rippled , darkening in parts almost as if it were the crinkle of a violent storm .

A:
Changed
****