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