create implication gradient_sky (232) -> sky (136403)
create implication multicolored_sky (110) -> sky (136403)
create implication two_tone_sky (23) -> multicolored_sky (110)
create implication clear_sky (421) -> sky (136403)
create implication cloudy_sky (1226) -> cloud (84782)
create implication cloudy_sky (1226) -> sky (136403)
create implication overcast (761) -> cloud (84782)