Dave is high. Dave is big. Fiona is little. Fiona is tiny. Bob is wealthy. Charlie is dull. Charlie is poor. If someone is not strong then they are dull. If someone is not rough then they are kind. If someone is wealthy then they are nice. If someone is nice and not sad then they are smart. If someone is dull and not strong then they are bad. All bad people are thin. If someone is little and tiny then they are sad. If someone is sad and not nice then they are poor. If someone is poor then they are young. If someone is kind then they are clever. All clever people are quiet. All smart people are old. 
Bob is not old.