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