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:
He lets his right hoof hit the bag .

Ex Output:
Changed


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:
" Let me show you to our exhibits , " she smiled and gestured towards the hallway that lead back into the public area .

Ex Output:

Original