Trolley problem
There is a runaway trolley barreling down the railway tracks. Ahead, on the tracks, there are 5 Nazis tied up and unable to move. The trolley is headed straight for them.
You are on a bridge under which it will pass, and you can stop it by putting something very heavy in front of it. As it happens, there is a fat pedophile next to you – your only way to stop the trolley is to push him over the bridge and onto the track, killing him to save 5 Nazis.
Are you going to push him?
@snow "not my circus, not my monkeys" is my answer to most things, but especially the trolley problem