A = %i[ daimajin ]
B = [ %i[ meganula viras megaguirus guiron ],
      %i[ anguirus titanosaurus rodan varan ] ]
C = [ %i[ matango matango meganula meganula ],
      %i[ rodan gaira zedus anguirus gezora ] ],
D = [ %i[ moguera gezora ],
      %i[ rodan yuki_otoko baragon ebirah ]]