How can a man get across the river to the bus station, if the bus leaves in five minutes?
Answer: He runs over the ice, because its winter.
Archive reference: RKM, KP 17, 39 (2)
Subject: a man across the river
Here is a lake and here in the middle of the lake there is a prison. Here is an island. How can prisoners escape?
Answer: In winter theres ice.
Archive reference: RKM II 347, 221 (25)
Subject: prisoners are escaping