A: Excuse me. May I ask you some questions?
B: Certainly.
A: ?
B: I eat vegetables at least twice a day, almost every meal.
A: Do you like them?
B: . But doctors say vegetables are good for my health.
A: Do you like junk food?
B: . But I try to eat it only once a week.
A: Why?
B: .
A: How many hours do you sleep every night?
B: .
A: Oh, I think you must be in good health.