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