waha1ha1

C knows the answer by deducing D is not yelling out the answer.tvb now,tvbnow,bttvb0 f" r4 z3 `2 o' W
That means D is not sure the answer by seeing one white and one black.
% G1 m: P( j/ S% c' Q  ?" P7 |* @C saw B is wearing the white, hence he is wearing the black