instruction:
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.
question:
I shouldn 't have answered , but I did .
answer:
Original


question:
It wasn 't a nice smile , and he smiled then .
answer:
Inversion


question:
He doesn 't acknowledge that we came in late and he appears to be intensely focused on his computer .
answer:

Inversion