Host China defeated Olympic champion Germany 3-2 on Wednesday to advance to the final of the women's hockey tournament where it will meet the Netherlands, which demolished Argentina 5-2 in the day's other semifinal. The Chinese came from behind twice before finally pulling ahead of an error-prone German side and guaranteeing for itself its first Olympic medal in the event. “This is not the time to be happy because we still have one match to go. We need to calm down now,” Chinese coach Kim Chang Back told reporters after the match. The fluid Netherlands showed why they are tournament favorites, with a hat trick by the inform Maartje Paumen leading the Dutch to a comprehensive win over a hapless Argentina. All Paumen's scoring shots came from penalty corners and took her tally for the Games to an impressive 11 goals. The next highest scorer on her team has just two goals. The Dutch are unbeaten so far in the tournament and have already beaten China 1-0 in the group stage of the competition.