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