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