Imagine you are a surgeon. Five patients in the hospital are in urgent need of different organ transplants to survive. One of them needs a heart, one a lung, one a liver, and the other two each a...

Imagine you are a surgeon. Five patients in the hospital are in urgent need of different organ transplants to survive. One of them needs a heart, one a lung, one a liver, and the other two each a kidney. All five happen to have the same rare blood type, so it is hard to find the right donor. At this time, a foreign traveler came to the hospital for a simple body check. By chance, he has the same rare blood type as theirs. With your expertise, as long as you use some simple medication to end the life of the traveler painlessly and without the notice of others, then his organs can save the five people awaiting organ transplants What would you do? Would you kill one person to save five people?