code: public final Pair<String, Double> predictBest(String[] context)
      {
          List<Pair<String, Double>> resultList = predict(context);
          double bestP = -1.0;
          Pair<String, Double> bestPair = null;
          for (Pair<String, Double> pair : resultList)
          {
              if (pair.getSecond() > bestP)
              {
                  bestP = pair.getSecond();
                  bestPair = pair;
              }
          }
  
          return bestPair;
      }
docs: 预测概率最高的分类
  
  @param context
  @return