It is thus among all of the animals too, even down to the little frogs. The father frog, on his death bed, asks, “who is my best friend?”

And all of the little frogs answer, “Nehpo, Nehpo, Nepho.”
You have heard them.
Which fact does this story explain?
What happens after a person dies
Why frogs make a certain sound
Why frogs are important to the Yaqui
Why Yaqui children are important to their parents

The fact that this story explains is why frogs make a certain sound.