anchor.diff:  B_Sound,audio,Easy,visual,Letter_B,LetterSoundMatching
   Baby,audio,Easy,visual,baby_word,SightWordIdentification
   ballop,audio,Easy,visual,ballop,PseudoWordMatching
  -Bed,audio,Easy,,,RhymingWordMatching
  +Bed,audio,Easy,audio,Fed,RhymingWordMatching
   Bed_Fed,audio,Easy,,,RhymingWordMatching
   Black-board,audio,Easy,,,BlendingWordIdentification
  -Bunny,audio,Easy,,,RhymingWordMatching
  +Bunny,audio,Easy,audio,Funny,RhymingWordMatching
   C_Name,audio,Easy,visual,Letter_C,LetterNameID
   C_Sound,audio,Easy,visual,Letter_C,LetterSoundMatching
   Can,audio,Easy,visual,can,CVCWordIdentification
  
positive.code: Eyes,audio,Easy,visual,eyes,SightWordIdentification
  F_Name,audio,Easy,visual,Letter_F,LetterNameID
  F_Sound,audio,Easy,visual,Letter_F,LetterSoundMatching
  Fed,audio,Easy,,,RhymingWordMatching
  Funny,audio,Easy,,,RhymingWordMatching
  Funny_Bunny,audio,Easy,,,RhymingWordMatching
  G_Name,audio,Easy,visual,Letter_G,LetterNameID
  G_Sound,audio,Easy,visual,Letter_G,LetterSoundMatching
  
negative.code: Rain-bow,audio,Easy,audio,Rainbow,BlendingWordIdentification
  ral,audio,Easy,,,PseudoWordMatching
  Rub,audio,Easy,visual,rub,CVCWordIdentification
  Run,audio,Easy,audio,,,RhymingWordMatching
  Run_Soap,audio,Easy,,,RhymingWordMatching
  S_Name,audio,Hard,visual,Letter_S,LetterNameID
  S_Sound,audio,Hard,visual,Letter_S,LetterSoundMatching
  Sand,audio,Easy,audio,Hand,RhymingWordMatching
  sart,audio,Easy,,,PseudoWordMatching
  Side-walk,audio,Easy,audio,Sidewalk,BlendingWordIdentification
  Soap,audio,Easy,,,RhymingWordMatching
  