In a room, there are only a hanged man. In this room there aren't anything...there is no sofa, no bed, no....anything...only a puddle water on the floor. How could he has been hung himself?
Solution....
At first, there were a big ice cube in the room.
The suicide man climbed up on the top, and then he has hanged himself.
Then, the ice cube is melted, and it's converted in a puddle water on the floor...