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