anchor.diff:  Jason Donald,23,United States,2008,8/24/08,Baseball,0,0,1,1
   Brian Duensing,25,United States,2008,8/24/08,Baseball,0,0,1,1
   Giorvis Duvergel,28,Cuba,2008,8/24/08,Baseball,0,1,0,1
  -Michel Enrquez,29,Cuba,2008,8/24/08,Baseball,0,1,0,1
  +Michel Enr_quez,29,Cuba,2008,8/24/08,Baseball,0,1,0,1
   Dexter Fowler,22,United States,2008,8/24/08,Baseball,0,0,1,1
   John Gall,30,United States,2008,8/24/08,Baseball,0,0,1,1
   Gang Min-Ho,22,South Korea,2008,8/24/08,Baseball,1,0,0,1
   Go Yeong-Min,24,South Korea,2008,8/24/08,Baseball,1,0,0,1
  -Norberto Gonzlez,28,Cuba,2008,8/24/08,Baseball,0,1,0,1
  +Norberto Gonz_lez,28,Cuba,2008,8/24/08,Baseball,0,1,0,1
   Yulieski Gourriel,24,Cuba,2008,8/24/08,Baseball,0,1,0,1
   Gwon Hyeok,24,South Korea,2008,8/24/08,Baseball,1,0,0,1
   Han Gi-Ju,21,South Korea,2008,8/24/08,Baseball,1,0,0,1
  
positive.code: Molly Schaus,21,United States,2010,2/28/10,Ice Hockey,0,1,0,1
  Jenny Schmidgall-Potter,31,United States,2010,2/28/10,Ice Hockey,0,1,0,1
  Brent Seabrook,24,Canada,2010,2/28/10,Ice Hockey,1,0,0,1
  Teemu Selnne,39,Finland,2010,2/28/10,Ice Hockey,0,0,1,1
  Saija Sirvi,27,Finland,2010,2/28/10,Ice Hockey,0,0,1,1
  Colleen Sostorics,30,Canada,2010,2/28/10,Ice Hockey,1,0,0,1
  Kim St-Pierre,31,Canada,2010,2/28/10,Ice Hockey,1,0,0,1
  Eric Staal,25,Canada,2010,2/28/10,Ice Hockey,1,0,0,1
  
negative.code: Merel Witteveen,23,Netherlands,2008,8/24/08,Sailing,0,1,0,1
  Xu Lijia,20,China,2008,8/24/08,Sailing,0,0,1,1
  Yin Jian,29,China,2008,8/24/08,Sailing,1,0,0,1
  Vasilij _bogar,32,Slovenia,2008,8/24/08,Sailing,0,1,0,1
  Shahar Zubari,21,Israel,2008,8/24/08,Sailing,0,0,1,1
  Ben Ainslie,27,Great Britain,2004,8/29/04,Sailing,1,0,0,1
  Sarah Ayton,24,Great Britain,2004,8/29/04,Sailing,1,0,0,1
  Sandra Az_n,30,Spain,2004,8/29/04,Sailing,0,1,0,1
  Sofia Bekatorou,26,Greece,2004,8/29/04,Sailing,1,0,0,1
  Kevin Burnham,47,United States,2004,8/29/04,Sailing,1,0,0,1
  Nick Dempsey,24,Great Britain,2004,8/29/04,Sailing,0,0,1,1
  Chris Draper,26,Great Britain,2004,8/29/04,Sailing,0,0,1,1
  Carlos Esp_nola,32,Argentina,2004,8/29/04,Sailing,0,0,1,1
  Xavier Fern_ndez,27,Spain,2004,8/29/04,Sailing,1,0,0,1
  Marcelo Ferreira,38,Brazil,2004,8/29/04,Sailing,1,0,0,1
  Paul Foerster,40,United States,2004,8/29/04,Sailing,1,0,0,1
  Gal Fridman,28,Israel,2004,8/29/04,Sailing,1,0,0,1
  