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