}
int nThreads = op.trainOptions.trainingThreads;
nThreads = nThreads <= 0 ? Runtime.getRuntime().availableProcessors() : nThreads;
Tagger tagger = null;
if (op.testOptions.preTag) {
Timing retagTimer = new Timing();
tagger = Tagger.loadModel(op.testOptions.taggerSerializedFile);
redoTags(binarizedTrees, tagger, nThreads);
retagTimer.done("Retagging");