Woman: " Doctor, doctor! "
Doctor: Yes! What happened..?
Woman: "My husband was asleep with his mouth open, and he swallowed a mouse! What shall I do?"
Doctor: "Quite simple, You just tie a lump of cheese to a piece of string and lower it into your husband's mouth. As soon as the mouse takes a bite, haul it out."
Woman: "Oh, I see. Thank you, doctor. I'll go around to the fishmonger straight away and get a cod's head. “
Doctor: "What do you want a cod's head for"?
Woman: "Oh- I forgot to tell you. I've got to get the cat out first from my husband’s mouth! “