No brakes on the train of life

You stumble upon a shocking spectacle: a train running at full speed on the rails, its brakes not working. Not far ahead, a number of people tied down on the tracks. You notice a switch lever close by so you run up to it to avert the tragedy, but you notice that on the side track there is one single person lying down shackled by ropes and unable to move. Now that youve witnessed this scene, you cannot run away from the responsibility. Whatever you choose to do now, whether you decide to pull the lever or not, whether you stay and act or run away in cowardice, if somebody dies it will be becaus...