Complex sentence: Canada, who beat the Russians 6-3 to open the tournament, held a 3-0 lead after two periods, but the Russians again came back and scored 5 unanswered goals in the third to win the gold medal, their first since 2003.
Split into simpler sentences: Canada, who beat the Russians 6-3 to open the tournament, held a 3-0 lead after two periods. However, the Russians again came back and scored 5 unanswered goals in the third to win the gold medal, their first since 2003.