It is ten past three in January and Baz has the unit boxed in against the drinks fridge with a basket, filming, doing the voice. "I am so sorry," he says in it, "I am so, so sorry." Two students by the door are filming him filming it. Then the unit says its own line, "I am sorry, could you let me pass." It comes a second late, and not quite the same as last time, which you have started to notice and cannot explain.
Unit Four