final Treebank goldTreebank = tlpp.diskTreebank();
goldTreebank.loadPath(goldFile);
pwOut.println("GOLD TREEBANK:");
pwOut.println(goldTreebank.textualSummary());
final UnlabeledAttachmentEval metric = new UnlabeledAttachmentEval("UAS LP/LR", true, tlpp.headFinder());
final TreeTransformer tc = tlpp.collinizer();
//The evalb ref implementation assigns status for each tree pair as follows:
//