Riddle: There is a wolf, a sheep and a cabbage that need to cross a river. The wolf will eat the sheep and the sheep will eat the cabbage. If you are on the side, no animal will eat anything. How can you get everything across the river without anything being eaten?
Answer: You firstly get the sheep across the river then the wolf. Take the sheep back to the other side and bring the cabbage. After this, take the sheep and BOOM, nothing can be eaten!