System.exit(-1);
}
TreeReaderFactory trf = new ArabicTreeReaderFactory();
try {
TreeReader tr = trf.newTreeReader(new BufferedReader(new InputStreamReader(new FileInputStream(args[0]), "UTF-8")));
TreeVisitor visitor = new MWETreeVisitorExternal();
int treeId = 0;
for (Tree tree; (tree = tr.readTree()) != null; ++treeId) {
if (tree.value().equals("ROOT")) {