Five people have just been rushed into a hospital in critical condition, each requiring an organ to survive. There is not enough time to request organs from outside the hospital, but there is a healthy person in the hospital’s waiting room.
3. 五个重症病人被急送到医院，每人都需要一个器官才能活命。没有时间从医院外面取器官，但是医院的等候室里有一个健康的人。如果医生拿了这个人的器官，这个人就死，但是五个重症病人就可以活下来。取健康人的器官是______。