private static final String SPACE_HOLDER = "##";
private static CoreLabel loadToken(String line, boolean haveExplicitAntecedent) {
CoreLabel token = new CoreLabel();
String [] bits = line.split("\t", -1);
if(bits.length < 7) throw new RuntimeIOException("ERROR: Invalid format token for serialized token (only " + bits.length + " tokens): " + line);
// word
String word = bits[0].replaceAll(SPACE_HOLDER, " ");
token.set(CoreAnnotations.TextAnnotation.class, word);
token.set(CoreAnnotations.ValueAnnotation.class, word);