Alan is high. Alan is strong. Charlie is thin. Charlie is small. Fiona is clever. Dave is sad. Dave is poor. If someone is not huge then they are sad. If someone is not bad then they are nice. If someone is clever then they are smart. If someone is smart and not dull then they are wealthy. If someone is sad and not huge then they are rough. If someone is rough then they are little. All little people are tiny. If someone is thin and small then they are dull. If someone is dull and not smart then they are poor. If someone is poor then they are young. If someone is young then they are energetic. If someone is nice then they are quiet. If someone is quiet then they are kind. All kind people are smart. If someone is wealthy then they are old. All old people are experienced.
Dave is smart.