What is a candid action image

You know what i love about this sight when ask a dumb question it is immediately answered but when i ask a real question it takes hours to get answered

The difference between relief and intaglio printing in art

Suppose that you are in a room with 3 doors and a crack in the ceiling for light. that is all. the doors each have a sign on them that says what there is behind them. door #1. a pool of corrosive acid. door #2. a crocodile that hasn't eaten in 8 months. door #3. a solar "oven". a giant lens that focuses all the sunlight at the entrance of the door. you must choose a door, which door do you choose?