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

SOLUTION: Original

PROBLEM: The Big Man pointed to a couple elves who 'd spent most of the trip napping in the back of the rainstorm .

SOLUTION: Changed

PROBLEM: " I 'm a middle-aged hag at best , and Francis has a beak that would turn off a blind man . "

SOLUTION:
Original