Suddenly, the boy starts choking and gasping for breath.
The dad realizes the boy has swallowed the coin and starts panicking, shouting for help.
A well dressed, attractive, but serious looking woman in a blue business suit is sitting at a coffee stand was reading her newspaper and sipping a cup of coffee.
At the sound of the commotion, she looks up, puts her down on the table, neatly folds the newspaper, places it on the counter, gets up from her seat and makes her way, unhurried, across the market.
Reaching the boy, the woman carefully takes hold of the boy's balls and starts to squeeze, gently at first and then ever more firmly. After a few seconds the boy convulses violently and coughs up the coin, which the woman deftly catches in her free hand. Releasing the boy, she hands the coin to the father and walks back to her coffee without saying a word.
As soon as he is sure that his son has suffered no lasting ill effects, the father rushes over to the woman and starts thanking her saying, "I've never seen anybody do anything like that before, it was fantastic. Are you a doctor?"
"No," the woman replied, "I work for the Internal Revenue Service."
