subtrees[i].label().setValue(Integer.toString(classLabel));
}
for (int i = 0; i < sentence.size(); ++i) {
Tree leaf = subtrees[i].children()[0];
leaf.label().setValue(escaper.escapeString(leaf.label().value()));
}
for (int i = 0; i < tregexPatterns.length; ++i) {
root = Tsurgeon.processPattern(tregexPatterns[i], tsurgeonPatterns[i], root);
}