Three Rooms Puzzle - Solution

The Puzzle:

Three Rooms
A criminal gets to pick his punishment by choosing among three rooms.

the first is full of burning fires,
the second is full of assassins with loaded guns,
the third is full of lions that haven't eaten in a year.

Which room is the safest choice?

Our Solution:

The Third Room.

The Lions will be dead by now (we should punish whoever was supposed to look after them! Luckily this is just a puzzle and not real).
See this puzzle without solution
Discuss this puzzle at the Math is Fun Forum