The Englishman - throws the cup and walks away.
The American - takes out the fly, and drinks the coffee.
The Chinese - eats the fly and throws away the coffee.
The Japanese - drinks the coffee with the fly, since it was extra with no charge
The Israeli - sells the coffee to the American, the fly to the Chinese, and buys himself a new cup of coffee.
The Palestinian - blames the Israeli for the violent act of putting the fly in his coffee, asks the UN for aid, takes a loan from the European Union to buy a new cup of coffee, uses the money to purchase explosives and then blows up the coffee house where the Englishman, the American, the Chinese, the Japanese all try to explain to the Israeli that he was too aggressive.