Option overwriteOutput = obuilder.withLongName("overwrite").withRequired(false).withDescription(
"If set, overwrite the output directory").withShortName("w").create();
Option helpOpt = obuilder.withLongName("help").withDescription("Print out help").withShortName("h")
.create();
Group group = gbuilder.withName("Options").withOption(minSupportOpt).withOption(analyzerNameOpt)
.withOption(chunkSizeOpt).withOption(outputDirOpt).withOption(inputDirOpt).withOption(minDFOpt)
.withOption(maxDFPercentOpt).withOption(weightOpt).withOption(powerOpt).withOption(minLLROpt)
.withOption(numReduceTasksOpt).withOption(maxNGramSizeOpt).withOption(overwriteOutput).withOption(
helpOpt).withOption(sequentialAccessVectorOpt).create();
try {