TreePrint treePrint = op.testOptions.treePrint(op.tlpParams);
TreebankLangParserParams tlpParams = op.tlpParams;
TreebankLanguagePack tlp = op.langpack();
PrintWriter pwOut, pwErr;
if (op.testOptions.quietEvaluation) {
NullOutputStream quiet = new NullOutputStream();
pwOut = tlpParams.pw(quiet);
pwErr = tlpParams.pw(quiet);
} else {
pwOut = tlpParams.pw();
pwErr = tlpParams.pw(System.err);