anchor.diff:  row,noun
   fir,noun
   rift,noun
  +carrier,noun
   sample,noun
   burden,noun
   gap,noun
  
positive.code: pro,phrase
  rad,phrase
  rep,phrase
  doo,phrase
  a camp,phrase
  int,phrase
  
negative.code: schools,place.civil
  middle school,place.civil
  high school,place.civil
  headquarters,place.civil
  academy,place.civil
  nursing home,place.civil
  science foundation,place.civil
  