Yes.
Riddles!

a question or statement intentionally phrased so as to require ingenuity in ascertaining its answer or meaning, typically presented as a game.

so a king needed to decide which of his two sons were to inherit his kingdom. so he said to them, " whose ever horse is last to the old church on top of the hill will inherit my kingdom." his younger son immediately jumps on a horse and rides to the church. the king was true to his word, and he gives him the kingdom. why?
im not sure if there is a forum like this already, but here it is!
whenever a person gets a riddle right, they post a new riddle and so on and so forth.
is it legal for a man to marry his widow's sister?