condition	race
present	black
present	black
present	black
present	black
present	black
present	black
present	black
present	black
present	black
present	black
present	black
present	black
present	black
present	white
present	white
present	white
present	white
present	white
present	white
present	white
present	white
present	white
present	white
present	white
present	white
present	white
present	white
present	white
present	white
present	white
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	black
absent	white
absent	white
absent	white
absent	white
absent	white
absent	white
absent	white
absent	white
absent	white
absent	white
absent	white
absent	white
absent	white
absent	white
