static S guessGermanOrEnglish_upperNgrams(int n, S text) {
  Set<S> set1 = uniqNgrams(n, toUpper(mechCISet("English words")));
  Set<S> set2 = uniqNgrams(n, toUpper(mechCISet("Deutsche Wörter")));
  ret upperNgramScoreBySet(n, text, set1, set2, "english", "german");
}