Interviewer: "How much milk does your cow produce?" Farmer: "Which one, the black one or the white one ?" Interviewer: "The black one" Farmer: "Two litres per day." Interviewer: "and the white one ?" Farmer: " Two litres per day." Interviewer : "Where do they sleep ?" Farmer: "The Black one or the white one ?" Interviewer: "The black one" Farmer : "In the Barn" Interviewer: "and the White one ?" Farmer: "In the Barn" Interviewer: "Your cows look healthy. What do you feed them ?" Farmer: "Which one . . . . the black one or the white one ?" Interviewer: "The black one" Farmer: "Grass" Interviewer: "and the white one ?" Farmer: "Grass" Interviewer (annoyed): "Why do you keep asking 'black one or white one' when the answers are the same ?" Farmer: "Because the black one is mine." Interviewer: "and the white one ?" Farmer: "It's also mine."