Gary is strong. Gary is high. Erin is small. Erin is little. Dave is smart. Fiona is dull. Fiona is bad. If someone is not huge then they are dull. If someone is not poor then they are wealthy. If someone is smart then they are kind. If someone is kind and not rough then they are clever. If someone is dull and not huge then they are sad. All sad people are tiny. If someone is small and little then they are rough. If someone is rough and not kind then they are bad. If someone is bad then they are young. If someone is wealthy then they are quiet. All quiet people are nice. All clever people are experienced. 
Erin is not young.