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