static Pair<Double, SS> scoreGuesserIC_1_returnErrors(O guesser, SS examples) {
  int ok = 0, total = 0;
  SS errors = litorderedmap();
  for (S key, value : examples) {
    total++;
    S s = unnullStr(pcallF(guesser, key));
    if (eqic(value, s)) ok++;
    else errors.put(key, s);
    
  }
  ret pair(total == 0 ? 1 : ok/(double) total, errors);
}