"Doctor, doctor!" said the panic-stricken woman, "my husband was asleep with his mouth open, and hes swallowed a mouse! What shall I do?""Quite simple," said the doctor calmly "You just tie a lump of cheese to a piece of string and lower it into your husbands mouth As soon as the mouse takes a bite haul it out""Oh, I see Thank you, doctor Ill go around to the fishmonger straight away and get a cods head""What do you want a cods head for?""Oh- I forgot to tell you Ive got to get the cat out first!"