Decision Making

This situation was forwarded to me. I'm not sure of the source. : What would you do?

A group of children were playing near two railway tracks, one still in use, while the other disused. Only one child played on the disused track, the rest on the operational track.The train came, and you were just beside the track interchange. It is not possible to stop the train, but you could make the train change its course to the disused track and save most of the kids. However, that would also mean the lone child playing by the disused track would be sacrificed. Or would you rather let the train go its way??? Think of the kind of decision you could make... yes? or no?
Analyze......
Think......
and reflect......decided your answer?
Yes? you would change the track? No? You would leave it?