But the same is true for the human contestants; at this level especially, I'm sure that they scan the whole question in a second and then have the rest of the s

But the same is true for the human contestants; at this level especially, I'm sure that they scan the whole question in a second and then have the rest of the spoken time (which, even for long questions, is nowhere near 20 seconds - probably more like 4) to think about it.