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