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