Cocaine is a highly caffeinated energy drink distributed by Redux Beverages. It contains more caffeine than rival energy drinks Red Bull and Rockstar, symbolized by three and a half steer heads on the label. Aside from caffeine, the label claims 750 milligrams of taurine, another common ingredient found in many energy drinks.

Can we draw the following conclusion?
Cocaine is the highest selling energy drink.

Pick from: [I] Yes; [II] It's impossible to say; [III] No;
[II]