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