sentences:  Women's Softball World Championship
  
  The Women's Softball World Championship is a fastpitch softball tournament for women's national teams held historically every four years, now every two years, by the World Baseball Softball Confederation (WBSC).The tournament, originally known as the ISF Women's World Championship, was sanctioned by the International Softball Federation (ISF) until that body's 2013 merger with the International Baseball Federation to create the WBSC.