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