P231 CEEFAX 231 Wed 3 Feb 21:00/11      ghat do you get when you sit under a cow? A pat on the head. ghat did the man who invented doorknockers win? The Nobell Prize. How does a sheep keep warm in winter? By central bleatingN ghy do you call your dog "Camera"? Because he's always snapping at things ghat sits in a fruit bowl and shouts for help? A damson in distress. Press REVEAL for answers from Shanna Kanhnski of London