Dave is strong. Dave is huge. Gary is little. Gary is short. Charlie is smart. Bob is rough. Bob is bad. If someone is not big then they are rough. If someone is not sad then they are kind. If someone is smart then they are wealthy. If someone is wealthy and not dull then they are nice. If someone is rough and not big then they are poor. All poor people are small. If someone is little and short then they are dull. If someone is dull and not wealthy then they are bad. If someone is bad then they are young. If someone is kind then they are clever. All clever people are quiet. All nice people are experienced. 
Gary is young.