anchor.diff:  Germany,Physics,Germany,1918,http://en.wikipedia.org/wiki/Max_Planck,Max Planck,1,0
   Germany,Physics,Germany,1919,http://en.wikipedia.org/wiki/Johannes_Stark,Johannes Stark,1,0
   Switzerland,Physics,Switzerland,1920,http://en.wikipedia.org/wiki/Charles_%C3%89douard_Guillaume,Charles Édouard Guillaume,1,0
  -Germany,Physics,Germany|Switzerland|US,1921,http://en.wikipedia.org/wiki/Albert_Einstein,Albert Einstein,1,1
  +Germany,Physics,Germany|Switzerland,1921,http://en.wikipedia.org/wiki/Albert_Einstein,Albert Einstein,1,1
   Denmark,Physics,Denmark,1922,http://en.wikipedia.org/wiki/Niels_Bohr,Niels Bohr,1,1/2
   US_IL,Physics,US,1923,http://en.wikipedia.org/wiki/Robert_Andrews_Millikan,Robert Andrews Millikan,1,0
   Sweden,Physics,Sweden,1924,http://en.wikipedia.org/wiki/Manne_Siegbahn,Manne Siegbahn,1,0
  -Germany,Physics,Germany|US,1925,http://en.wikipedia.org/wiki/James_Franck,James Franck,1/2,1
  +Germany,Physics,Germany,1925,http://en.wikipedia.org/wiki/James_Franck,James Franck,1/2,1
   Germany,Physics,Germany,1925,http://en.wikipedia.org/wiki/Gustav_Ludwig_Hertz,Gustav Ludwig Hertz,1/2,1/4
   France,Physics,France,1926,http://en.wikipedia.org/wiki/Jean_Baptiste_Perrin,Jean Baptiste Perrin,1,0
   US_OH,Physics,US,1927,http://en.wikipedia.org/wiki/Arthur_Compton,Arthur Compton,1/2,0
  
positive.code: Sweden,Physiology and Medicine,Sweden,1911,http://en.wikipedia.org/wiki/Allvar_Gullstrand,Allvar Gullstrand,1,0
  France,Physiology and Medicine,France,1912,http://en.wikipedia.org/wiki/Alexis_Carrel,Alexis Carrel,1,0
  France,Physiology and Medicine,France,1913,http://en.wikipedia.org/wiki/Charles_Richet,Charles Richet,1,0
  Austria,Physiology and Medicine,Austria|Sweden,1914,http://en.wikipedia.org/wiki/Robert_B%C3%A1r%C3%A1ny,Robert Bárány,1,1
  Belgium,Physiology and Medicine,Belgium,1919,http://en.wikipedia.org/wiki/Jules_Bordet,Jules Bordet,1,0
  Denmark,Physiology and Medicine,Denmark,1920,http://en.wikipedia.org/wiki/August_Krogh,August Krogh,1,0
  UK_ENG,Physiology and Medicine,UK,1922,http://en.wikipedia.org/wiki/Archibald_Hill,Archibald Hill,1/2,0
  
negative.code: US_IN,Chemistry,US,1934,http://en.wikipedia.org/wiki/Harold_Urey,Harold Urey,1,0
  France,Chemistry,France,1935,http://en.wikipedia.org/wiki/Fr%C3%A9d%C3%A9ric_Joliot-Curie,Frédéric Joliot-Curie,1/2,0
  France,Chemistry,France,1935,http://en.wikipedia.org/wiki/Ir%C3%A8ne_Joliot-Curie,Irène Joliot-Curie,1/2,0
  Netherlands,Chemistry,Netherlands,1936,http://en.wikipedia.org/wiki/Peter_Debye,Peter Debye,1,0
  UK_ENG,Chemistry,UK,1937,http://en.wikipedia.org/wiki/Norman_Haworth,Norman Haworth,1/2,0
  Russia,Chemistry,Switzerland,1937,http://en.wikipedia.org/wiki/Paul_Karrer,Paul Karrer,1/2,0
  Austria,Chemistry,Germany|Austria,1938,http://en.wikipedia.org/wiki/Richard_Kuhn,Richard Kuhn,1,0
  