create implication red_sky (675) -> sky (122703)
create implication orange_sky (755) -> sky (122703)
create implication yellow_sky (312) -> sky (122703)
create implication green_sky (137) -> sky (122703)
create implication blue_sky (12396) -> sky (122703)
create implication purple_sky (468) -> sky (122703)
create implication black_sky (141) -> sky (122703)
create implication grey_sky (265) -> sky (122703)
create implication white_sky (104) -> sky (122703)
create implication brown_sky (23) -> sky (122703)