Multi-choice problem: Choose from the options at the end, and answer how do you do this: How can I easily extract a splinter?

A. fill a container that has a top slightly larger than the area where the splinter is with very cold ice water(80 % full), press against the area by centering where the splinter is, hold for a few min., the pressure will help dislodge the splinter and you can pull it out easily.; B. fill a container that has a top slightly larger than the area where the splinter is with very hot water(80 % full), press against the area by centering where the splinter is, hold for a few min., the pressure will help dislodge the splinter and you can pull it out easily.;
B.