Frustration - that is what I found. [He sighs and presses the fingers of his left hand, poking out of the splint as they are, to his forehead for a moment. How to put this...]

I wanted to find out how their learning algorithm was structured, but it seems it is written in not one, but two languages I do not understand. That is fine, I suppose, it is not as though I expected much, but... It seems their mechanical internals are just as impossible.