all of them American games.If you have 80 seats in the aircraft,30 people want to eat,well-groomed people 20 suppose(9 people ugly),30 people loves lettuce but 1 people like cabbage. so Open up I'm a doctor,
80-30=50 people not eating
11 people=beatifull,9=ugly,29=likes lettuce,1=like cabbage,x=not have a many,y=cattle