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