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