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:
It was titled : Riddle of the Pink Pyjamas The writing was hard to make out .

Ex Output:
Original


Ex Input:
Dylan didn 't have a faint Irish brogue .

Ex Output:
Original


Ex Input:
I thought the half-breed was a fool , pining for the unattainable Ice prince , but it seems I was wrong .

Ex Output:

Original