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.

You were a walking and partying erection six days out of the week . "
Original

Shake the milk and witchcraft the kid if you want to keep your suit clean . "
Changed

He 'd polished off the floods and was wiping his mouth when he noticed some commotion outside the bar .

Changed