I think that it can draw one cup in the right below.At first,You can recommend to some drinks,special drinks,write in the black board.At second,you can recommend to some set meals,looks like France people will recommend one Macalon get one black coffee,and you can get one humbuger,this is the first set meal.At third,the second set meal,you can put the Kaiser chicken rolls,you can get one cup of soft drink.It's good to your health.You also need notice to the black board's write colour,you should be at match.