Dave is big. Dave is strong. Gary is small. Gary is tiny. Bob is quiet. Fiona is bad. Fiona is poor. If someone is not huge then they are bad. If someone is not sad then they are clever. If someone is quiet then they are nice. If someone is nice and not rough then they are smart. If someone is bad and not huge then they are dull. All dull people are thin. If someone is small and tiny then they are rough. If someone is rough and not nice then they are poor. If someone is poor then they are young. If someone is clever then they are wealthy. All wealthy people are kind. All smart people are old. 
Bob is old.