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