Alan is high. Alan is huge. Bob is short. Bob is tiny. Dave is kind. Erin is dull. Erin is rough. If someone is not big then they are dull. If someone is not poor then they are quiet. If someone is kind then they are nice. If someone is nice and not sad then they are smart. If someone is dull and not big then they are bad. All bad people are little. If someone is short and tiny then they are sad. If someone is sad and not nice 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 smart people are old. 
Dave is old.