Liverpool have pulled off spectacular comebacks before, but it would be truly extraordinary if they turned this one around at the Bernabeu.Liverpool have been left with a mountainous task to keep their Champions League ambitions alive after they were torn apart by ruthless Real Madrid at Anfield.Holders Real - who beat Liverpool in last season's final in Paris - became the first side to score five at Anfield in Europe despite going two goals down early on as Liverpool made a dream start to this last-16 tie.