create implication red_sky (788) -> sky (137028)
create implication orange_sky (895) -> sky (137028)
create implication yellow_sky (403) -> sky (137028)
create implication green_sky (174) -> sky (137028)
create implication blue_sky (15526) -> sky (137028)
create implication purple_sky (579) -> sky (137028)
create implication black_sky (177) -> sky (137028)
create implication grey_sky (341) -> sky (137028)
create implication white_sky (129) -> sky (137028)
create implication brown_sky (32) -> sky (137028)