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Heading into the women's hockey tournament at the PyeongChang Winter Olympics, Japan is trying to stay focused on itself and not get distracted by its opponents, the team's coach and players said on Friday. The world's ninth-ranked team, affectionately called "Smile Japan", is in Group B of the women's competition that starts on Saturday, reports Yonhap news agency. Japan's opponents include the joint South Korean-North Korean team.