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