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