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:
" But what , she don 't show up for 30 years and you lookin for her now ? "

Ex Output:
Original


Ex Input:
My tongue flicks out and runs inside her low-cut shirt and bra , reaching until it flicks against her nipple .

Ex Output:
Original


Ex Input:
He hadn 't been with a purchased woman since his 16th birthday , when his father took him to a brothel as a present .

Ex Output:

Original