thicker and thicker to where you can stand up and walk off the ice. >> the answer is, b, lie flat and roll away for a safe distance before standing and walking to shore. finally, the last survivors catch the rope and they're dragged to safety. >> they need to take his clothes off. >> but once on land their troubles aren't over. >> the first thing they did that was great was getting all the wet clothes off the guy. that's just sapping energy and heat from your body. removing that and wrapping him in blankets and the guy on shore who is nice and warm pressed up his body against him. he's like a generator. he's just putting heat on this guy. >> if you ever see someone taking an accidental plunge into freezing water, remember these survival tips. if rescuing someone stuck in ice water, get emergency help immediately. stay back and throw them a long object. if you're in the water, swim back to the edge and pull yourself up.