String[] line = { pair[0], pair[1], "", "", "wrong" };
vtmp.add(pair[0]);
xHashMap.put(index + "", line);
index++;
}
DataPreProcessor dpp = new DataPreProcessor(vtmp);
dpp.run();
Messager msger = new Messager();
Vector<Vector<String[]>> constraints = new Vector<Vector<String[]>>();
ArrayList<double[]> accArrayList = new ArrayList<double[]>();
int i = 0;
while (i<exps.size()) // repeat as no incorrect answer appears.