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: I also learned that any rugs or Assassins that weren 't out on assignment were there to watch the crowd .

SOLUTION: Changed

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 borders are what mimic the dimensions .

SOLUTION:
Changed