...you do service as the Greeter. Only Liam and Steve are in the room when you arrive, 45 minutes early. You make a cup of coffee and go to the only entrance.to greet everybody as they arrive. One minute before the meeting starts you go back to the room.
There will be twice as many people in the room as passed you at the entrance.
...you volunteer to do the washing up after the meeting.
There will be twice as many cups to wash up as there were people at the meeting.
Illustration: projection of the Calibai-Yau Manifuld. A mere ten or eleven dimensions and so small that we can never see it. Feh.