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:
Trevor 's guard flew up , but he was curious to hear what his dad wanted to disclose .

Ex Output:
Original


Ex Input:
" I 'm gon na grab some grub and do some socializing .

Ex Output:
Original


Ex Input:
Between them , the holographic image of planet earth revolved serenely on its privileges , suspended a foot above the slab of marble table .

Ex Output:

Changed