cv.multiValidate(features, trainer, 10, data, null, 0);
print("words + bigrams");
features.clear();
features.add(new ThresholdFeature(0));
features.add(new BigramFeature(0));
cv.multiValidate(features, trainer, 10, data, null, 0);
print("words + bigrams + statementcount");
features.clear();
features.add(new ThresholdFeature(0));
features.add(new BigramFeature(0));
features.add(new StatementCountFeature());
cv.multiValidate(features, trainer, 10, data, null, 0);
print("words + pairs");
features.clear();