if (entries.size() <= 1)
return;
ExampleSelection expsel = new ExampleSelection();
ExampleSelection.firsttime = true;
expsel.inite(xHashMap, null);
int target = Integer.parseInt(expsel.Choose());
String[] mt = { "<_START>" + entries.get(target)[0] + "<_END>",
entries.get(target)[1] };
examples.add(mt);
ExampleSelection.firsttime = false;
// accuracy record code