 More than a minute goes by. She's still struggling and nobody's looking. We're now looking at more than two and a half minutes and still nobody notices a thing. After more than four minutes, she simulates a worst case scenario and stops moving. Josh from the American Red Cross has been watching with us. Four and a half minutes, still no parent noticed anything. Right. Does that surprise you? It does not. Kelly goes back to swimming and we cue another swimmer and another and another.