Bob is huge. Bob is strong. Alan is short. Alan is thin. Harry is smart. Dave is dull. Dave is sad. If someone is not high then they are dull. If someone is not bad then they are wealthy. If someone is smart then they are nice. If someone is nice and not rough then they are quiet. If someone is dull and not high then they are poor. All poor people are tiny. If someone is short and thin then they are rough. If someone is rough and not nice then they are sad. If someone is sad then they are young. If someone is wealthy then they are clever. All clever people are kind. All quiet people are experienced. 
Alan is young.