[Reg] peered at Richard seriously. ‘Do you have a good sofa?’ he enquired. ‘Well, it’s odd you should ask that,’ said Richard. ‘I’ve never sat on it.’ [...] ‘It’s just that it’s stuck halfway up a long flight of stairs which leads up into my flat. As far as I can make it out, the delivery men got it part way up the stairs, got it stuck, turned it around any way they could, couldn’t get it any further, and then found, curiously enough, that they couldn’t get it back down again.