Dave is strong. Dave is big. Gary is small. Gary is short. Harry is wealthy. Alan is dull. Alan is bad. If someone is not high then they are dull. If someone is not rough then they are quiet. If someone is wealthy then they are clever. If someone is clever and not sad then they are kind. If someone is dull and not high then they are poor. All poor people are thin. If someone is small and short then they are sad. If someone is sad and not clever then they are bad. If someone is bad then they are young. If someone is quiet then they are smart. All smart people are nice. All kind people are old. 
Alan is nice.