sclass Element {
  double weight;
}

sclass ChooseCategory extends Element {
  AI_BottomUpParser1.Word word;
  L<S> categories;
  
  *(AI_BottomUpParser1.Word *word, L<S> *categories) {}

  toString { ret word.text() + " (" + n2(categories, "category", "categories") + ")"; }
}

sclass HaveCategory extends Element {
  AI_BottomUpParser1.Word word;
  S category;
  
  *(AI_BottomUpParser1.Word *word, S *category) {}
  
  toString { ret quote(word.text()) + " as " + category; }
}

sclass ChoosePart extends Element {
  ai_Reconstructed reconstruction;
  
  *(ai_Reconstructed *reconstruction) {}
  
  toString { ret reconstruction.a.text() + " + " + reconstruction.b.text(); }
}