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.

The force of the earth 's arching was not discriminate between city and human .
Original

He lets his right hoof hit the bag .
Changed

It was like a skull seen in a dream , undeniably human , yet with disturbing distortions and malformations of suburb and outline .

Changed