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

Ex Output:
Changed


Ex Input:
But the alternative is a whole can of worms I flinch at the thought of opening .

Ex Output:
Original


Ex Input:
His slender hand reached to touch the medallion at his neck .

Ex Output:

Original