Three sister potatoes were siting chatting about the future. ''When I grow up, I'm going to marry a King Edwards'', said the first. ''When I grow up, I'm going to marry a Jersey Royal'', said the second. ''Well,'' said the third, ''When I grow up, I'm going to marry John Motson'' ''John Motson?? You can't can't marry him'', said the first. ''Why not?'' ''Well, cos he's a commentator.''