What is the fine-grained topic of the following text: Thursday, April 19th San Jose and St. Louis play game four; Florida Panthers plays New Jersey Devils, with Florida up 2-1; in a series up 2-1, Boston Bruins plays Washington Capitals; Phoenix Coyotes goes up against Chicago blackhawks in a 2-1; and, on Friday, Nashville Predators tried to end their 3-1 series against Detroit Redwings and Philadelphia & Pittsburgh will play game five, if needed. Only return the topic.
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