The document presents a scenario where children are playing near train tracks, with most playing on an operational track and one child on a disused track. If a train were to come, one could divert it to the disused track saving most children but sacrificing the lone child, or let it continue its path. Making the right decision requires carefully considering all factors and consequences rather than acting hastily. Letting the train continue its path may be the safest option to avoid risking passengers' lives or endangering the child not expecting a train on the disused track.