Erin is big. Erin is high. Bob is tiny. Bob is little. Dave is quiet. Harry is dull. Harry is rough. If someone is not strong then they are dull. If someone is not sad then they are kind. If someone is quiet then they are clever. If someone is clever and not poor then they are smart. If someone is dull and not strong then they are bad. All bad people are small. If someone is tiny and little then they are poor. If someone is poor and not clever then they are rough. If someone is rough then they are young. If someone is kind then they are wealthy. All wealthy people are nice. All smart people are old. 
Bob is young.