Bob is high. Bob is strong. Erin is short. Erin is thin. Harry is smart. Alan is sad. Alan is poor. If someone is not big then they are sad. If someone is not rough then they are quiet. If someone is smart then they are nice. If someone is nice and not bad then they are wealthy. If someone is sad and not big then they are dull. If someone is short and thin then they are bad. If someone is bad and not nice then they are poor. All quiet people are kind. 
Bob is not dull.