A new world under the river.
Sato stared at the toad for a while before he gave his answer almost instantly, "Let's see, I guess I'll ask each brother, "If you were your brother, which road would you say leads to eternal happiness? Something like that".
[What! How are you getting it… admit it… you're using a cheat!].
"What's there to cheat about? It's quite logical," Sato argued, "Let's assume the path on the right leads to eternal happiness. After you ask your question, both brothers will tell you the exact same thing: "He would say the left path leads to eternal happiness… so there you have it, your answer".
[There is no way you thought of this that fast! No way!].
"Hey, don't blame me, I'm even surprising myself." Sato said with a smug look on his face, 'Aril… is this your doing? Cuz I know I ain't that smart'.