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:
May I return to my harmless query ? "

Ex Output:
Changed


Ex Input:
Parts of the physical body , and also some of the Mark 's thoughts and connection to their handler . "

Ex Output:
Original


Ex Input:
" With extreme skiing at the ready .

Ex Output:

Changed