Erin is strong. Erin is high. Gary is tiny. Gary is thin. Fiona is nice. Harry is dull. Harry is sad. If someone is not big then they are dull. If someone is not bad then they are quiet. If someone is nice then they are clever. If someone is clever and not rough then they are wealthy. If someone is dull and not big then they are poor. All poor people are short. If someone is tiny and thin then they are rough. If someone is rough and not clever then they are sad. If someone is sad then they are young. If someone is quiet then they are kind. All kind people are smart. All wealthy people are old. 
Fiona is not old.