Original sentence: The national sevens team  are currently one of the 12 "core teams" in the IRB Sevens World Series, advancing at least to the semifinals of four events in the current 2008–09 season, and also reached the semifinals of the 2009 Rugby World Cup Sevens
Edited sentence: The national sevens team  are currently one of the 12 "core teams" in the IRB Sevens World Series, advancing at least to the semifinals of four events in the 2008–09 season, and also reached the semifinals of the 2009 Rugby World Cup Sevens