Fiona is big. Fiona is strong. Harry is short. Harry is thin. Bob is wealthy. Gary is bad. Gary is poor. If someone is not high then they are bad. If someone is not rough then they are quiet. If someone is wealthy then they are kind. If someone is kind and not sad then they are smart. If someone is bad and not high then they are dull. If someone is short and thin then they are sad. If someone is sad and not kind then they are poor. All quiet people are nice. 
Fiona is not dull.