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