Interviewer: How much milk do these cows give?
….
Farmer: Which one? The Black one or the Brown one?…
Interviewer: Brown one….
Farmer: A couple of litres per day. …
Interviewer: And the black one? …
Farmer: A couple of litres per day. …
Interviewer(naturally a bit flummoxed): I see. What do you give them to eat? …
Farmer: Which one? Black or brown? …
Interviewer: Black.
Farmer: It eats grass. …
Interviewer: And the other one? …
Farmer: Grass. …
…
Interviewer(now really annoyed) : Why do you keep asking which one when the answers are the same?! …
…
Farmer: Because the black one’s mine….
…
Interviewer: Oh, and the brown one? …
…
Farmer: It’s also mine.