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