Fiona is high. Fiona is strong. Erin is tiny. Erin is little. Alan is smart. Dave is poor. Dave is sad. If someone is not huge then they are poor. If someone is not dull then they are quiet. If someone is smart then they are clever. If someone is clever and not bad then they are kind. If someone is poor and not huge then they are rough. All rough people are short. If someone is tiny and little then they are bad. If someone is bad and not clever then they are sad. If someone is sad then they are young. If someone is quiet then they are wealthy. All wealthy people are nice. All kind people are old. 
Alan is not old.