Alan is big. Alan is high. Charlie is tiny. Charlie is small. Fiona is quiet. Bob is dull. Bob is poor. If someone is not strong then they are dull. If someone is not sad then they are nice. If someone is quiet then they are clever. If someone is clever and not bad then they are kind. If someone is dull and not strong then they are rough. All rough people are short. If someone is tiny and small then they are bad. If someone is bad and not clever then they are poor. If someone is poor then they are young. If someone is nice then they are wealthy. All wealthy people are smart. All kind people are old. 
Bob is smart.