Open wrapping.

Staring menacingly from the canvas is a portrait of Adolf Hitler, insane begetter of World War II.

The train pulls up alongside, just as two thugs armed with big knives round the corner onto the platform. "Hey!" shouts one of them, "hand it over!".

You can:

Hand the painting over to them.

Stand your ground and fight the hoods. The guy with the bad leg is sure to help you.

Wait until the doors start to close then jump on the train taking the painting with you.

Wait until the doors start to close then jump on the train leaving the painting on the platform.