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