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