Why is it that when you look at a television picture through a tube, such as a rolled up newspaper (yes, sad I know) the part of the picture you see is in 3D?
Two cows are standing next to each other in a field. Ethel says to Dot, " I was artificially inseminated this morning." "Nonsense, I don`t believe you," says Dot. "It`s true, no bull" says Ethel.