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