Charlie is high. Charlie is big. Alan is little. Alan is thin. Dave is nice. Fiona is dull. Fiona is rough. If someone is not huge 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 bad then they are smart. If someone is dull and not huge then they are poor. If someone is little and thin then they are bad. If someone is bad and not quiet then they are rough. All kind people are wealthy. 
Dave is smart.