An American businessman went to Tokyo on a business trip but because he didn't like Japanese food, he asked the hotel concierge if there was anywhere he could get American food. The concierge told him that a new pizza parlour had opened half a mile away and that it did deliveries. Armed with the phone number, the businessman returned to his room and ordered a pizza. Half an hour later, the delivery guy knocked on the door with the pizza. The businessman took it, but immediately started sneezing …