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