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 'll let you make the choice about kissing and swooping above the waist .

Ex Output:
Changed


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

Ex Output:
Original


Ex Input:
Although the dispatcher was a cure , the bite he received was extremely infectious .

Ex Output:

Changed