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