static L<ParseResult1> ai_parser1_multipleCategories(S input, Collection<S> categories) {
  new L<ParseResult1> results;
  for (S cat : categories)
    results.addAll(ai_parser1(input, cat));
  ret takeFirst(10, parseResultsSortedByNumberOfAssumptions(results));
}

static L<ParseResult1> ai_parser1_multipleCategories(S input, S... categories) {
  ret ai_parser1_multipleCategories(input, asList(categories));
}