code: public void addExtraOptions(ArgOptions options) {
          options.addOption('n', "dimension",
                            "the length of each beagle vector",
                            true, "INT", "Options");
          options.addOption('s', "semanticType",
                            "The type of semantic vectors to generate",
                            true, "SemanticType", "Options"); 
          options.addOption('S', "saveVectors", 
                            "save word-to-IndexVector mapping after processing",
                            true, "FILE", "Options");
          options.addOption('L', "loadVectors",
                            "load word-to-IndexVector mapping before processing",
                            true, "FILE", "Options");
      }
docs: {@inheritDoc}