Objective: how do you remove blood from carpet?

Which of the following solutions is more sound in terms of naive physics reasoning?

Choose from:
(1). Mix one tablespoon of liquid hand dishwashing detergent with two cups water. use a clean white cloth to rub stain with the detergent solution blot until liquid is gone.
(2). Mix one tablespoon of liquid hand motor detergent with two cups water. use a clean white cloth to rub stain with the detergent solution blot until liquid is gone.
(1).