In Rain Myths, in "A Madagascan Myth,” what is one effect of ’Ndriananahary sending his son, Ataokoloinona, to Earth?

It results in ’Ndriananahary flooding the world with rain.
It results in ’Ndriananahary relaxing in the heavens.
It results in ’Ndriananahary unleashing the sun on the world.
It results in ’Ndriananahary creating the human race.