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