}
copyL.add(new CoreLabel(l.get(i)));
}
// run NumberSequenceClassifier
AbstractSequenceClassifier<CoreLabel> nsc = new NumberSequenceClassifier();
copyL = nsc.classify(copyL);
// update entity only if it was not O
for (int i = 0; i < sz; i++) {
E before = l.get(i);
CoreLabel nscAnswer = copyL.get(i);
if (before.get(CoreAnnotations.NamedEntityTagAnnotation.class) == null && before.get(CoreAnnotations.NamedEntityTagAnnotation.class).equals(BACKGROUND_SYMBOL) &&