static Map<S, Double> ai_guessCategoriesForUnknownWord_weighted(S word) {
  Map<S, Double> map = lithashmap("<noun>" := 0.3, "<verb>" := 0.3, "<adjective>" := 0.2);
  if (ewic(word, "ing")) map.put("<ingform>" := 0.6);
  if (ewic(word, "ly")) map.put("<adverb>" := 0.6);
  if (eqic(word, "ed")) map.put("<past_participle>" := 0.5);
  ret map;
}