In this task you are given a sentence with one coordinating conjunction (for, and, nor, but, or, yet, and so). You must judge whether the order of two coordinated clausal conjoints have been inverted or not. Inversion would result in the sentence sounding unnatural. Label the instances as "Original" or "Inversion" based on your judgment.
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Question: Many of the occupants were staring at them , and the bar was a U-shape , with perhaps thirty seats .

Answer: Inversion


Question: Must be the end of summer sale and back to school bustle all rolled into one .

Answer: Original


Question: He grinned at me and I stiffened .

Answer:
Inversion