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