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