@Override
public CorpusHolder loadCorpus(String fileName) {
CorpusHolder cHolder = new CorpusHolder();
ArrayList<DataUnit> positiveExamples = new ArrayList<DataUnit>();
ArrayList<DataUnit> negativeExamples = new ArrayList<DataUnit>();
Reviews_Reader reviewReader = new Reviews_Reader();
ArrayList<Review> allReviews = reviewReader.Get_Reviews_From_File(fileName);
for (Review review : allReviews) {
for (int i = 0; i < review.Review_Sentences.size(); i++) {
for (int j = 0; j < review.Sentences_Features.get(i).size(); j++) {
if (review.Sentences_Features.get(i).get(j).Rank > 0) {