A pencil was embedded into the hair of the individual of questionable race. Since indigenous Africans were known to have hair that was tightly curled, if the pencil got stuck in the hair, you were considered black or coloured depending on complexion, facial features and even your accent. If the pencil fell through the hair,
you were considered white or coloured depending on other classifications. God forbid you and your siblings have different hair textures. You could all be classified completely different causing dissension among family members.