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: Catherine , who was listening to the physician 's dire prognosis , jumped up from her chair and dashed for the door of the chamber .

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

A: Original
****
Q: The Jeep lurched forward , succeeding on a single , unmarked lane of pristine pavement .

A:
Changed
****