Charlie is huge. Charlie is high. Bob is small. Bob is little. Fiona is quiet. Alan is bad. Alan is sad. If someone is not big then they are bad. If someone is not dull then they are smart. If someone is quiet then they are wealthy. If someone is wealthy and not poor then they are kind. If someone is bad and not big then they are rough. If someone is small and little then they are poor. If someone is poor and not wealthy then they are sad. All smart people are nice. 
Bob is not sad.