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:
Instead of pinching his nose , he 's smiling at us .

Ex Output:
Original


Ex Input:
The pressure on my mind unraveled .

Ex Output:
Changed


Ex Input:
" You take me to the nicest places , " Claire said , and refocused .

Ex Output:

Changed