create implication red_sky (853) -> sky (143822)
create implication orange_sky (950) -> sky (143822)
create implication yellow_sky (430) -> sky (143822)
create implication green_sky (191) -> sky (143822)
create implication blue_sky (17029) -> sky (143822)
create implication purple_sky (642) -> sky (143822)
create implication black_sky (203) -> sky (143822)
create implication grey_sky (373) -> sky (143822)
create implication white_sky (144) -> sky (143822)
create implication brown_sky (37) -> sky (143822)