Not the third one. I think it's the first one but it could be the second I guess. But whenever I think of adidas I think of the shoe brand or the song adidas by Korn, not food.
Could be all of these but if I had to choose one, I would go with. Behavioral signs. Hope this helps.
Dilation of the pupil occurs when the smooth cells of the radial muscle, controlled by the sympathetic nervous system (SNS), contract. Constriction of the pupil occurs when the circular muscle, controlled by the parasympathetic nervous system (PSNS), contracts.