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:
" If you would stop offering idiotic fitness , I would tell you what I actually have found . "

Ex Output:
Changed


Ex Input:
A fog bank began to seep onto the street , hovering a foot above the ground .

Ex Output:
Original


Ex Input:
And I was right : now we are beginning to develop these types of combatants , albeit using better vectors .

Ex Output:

Changed