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