create implication orange_sky (832) -> sky (130423)
create implication yellow_sky (356) -> sky (130423)
create implication green_sky (155) -> sky (130423)
create implication purple_sky (533) -> sky (130423)
create implication pink_sky (331) -> sky (130423)
create implication teal_sky (8) -> sky (130423)
create implication brown_sky (29) -> sky (130423)
create implication white_sky (120) -> sky (130423)
create implication black_sky (165) -> sky (130423)
create implication grey_sky (307) -> sky (130423)