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