No such thing as a right or wrong answer, only one you can justify and that meets your particular views.
I was asked a similar Q on a leadership course only it involved a cave full of people filling with water and I had to choose what order they came out knowing 2 would die. I 'shocked' people deliberately by my answer to prove the fuitility of the Q. My answer was to run a 'reality TV show where teh public got to vote on who got out and all proceeeds from the call revenue/advertising were given as compensation to the family of those who didn;ty make it. I argued in the review that my answer was equally if not more valid thgan one person making a decision as it pushed it into a democratic decision spreading the choice thinly over many many people and doing some good for those that 'lost'
