docs: public void trainSentence(final List<VocabWord> sentence, double alpha) {
          if (sentence != null && !sentence.isEmpty()) {
              for (int i = 0; i < sentence.size(); i++) {
                  if (!sentence.get(i).getWord().endsWith("STOP")) {
                      nextRandom.set(nextRandom.get() * 25214903917L + 11);
                      skipGram(i, sentence, (int) nextRandom.get() % window, alpha);
                  }
              }
          }
  
      }