"I think so sir. Before I came to the train I was in a world that wasn't the world I was on before that. There were lots of people from different worlds there so that's a lot already. Now there are more people on this train from different worlds and they went to different worlds as well. "We went to two worlds on this train and um... I think maybe the platforms are on a world but I don't know if it's the same world or different worlds!"