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