String[] tokens = new String[tokenList.size()];
String[] whites = new String[whiteList.size()];
tokenList.toArray(tokens);
whiteList.toArray(whites);
SentenceModel sentenceModel = lingPipeFactory.getSentenceModelInstance();
sentenceBoundaries = sentenceModel.boundaryIndices(tokens, whites);
LOG.trace("Sentence segmentation took " + (System.currentTimeMillis() - start) + "ms.");
//3.) Part-of-Speech tagging
start = System.currentTimeMillis();