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