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