Dave is high. Dave is strong. Harry is thin. Harry is little. Erin is quiet. Alan is bad. Alan is dull. If someone is not big then they are bad. If someone is not poor then they are wealthy. If someone is quiet then they are nice. If someone is nice and not sad then they are smart. If someone is bad and not big then they are rough. All rough people are small. If someone is thin and little then they are sad. If someone is sad and not nice then they are dull. If someone is dull then they are young. If someone is wealthy then they are kind. All kind people are clever. All smart people are experienced. 
Erin is experienced.