code: private static String getHelp()
  	{
  		StringBuffer sb = new StringBuffer();
  
  		// SRE
  		sb.append("\njSRE: Simple Relation Extraction V1.10\t 30.08.06\n");
  		sb.append("developed by Claudio Giuliano (giuliano@itc.it)\n\n");
  
  		// License
  		sb.append("Copyright 2005 FBK-irst (http://www.fbk.eu)\n");
  		sb.append("\n");
  		sb.append("Licensed under the Apache License, Version 2.0 (the \"License\");\n");
  		sb.append("you may not use this file except in compliance with the License.\n");
  		sb.append("You may obtain a copy of the License at\n");
  		sb.append("\n");
  		sb.append("    http://www.apache.org/licenses/LICENSE-2.0\n");
  		sb.append("\n");
  		sb.append("Unless required by applicable law or agreed to in writing, software\n");
  		sb.append("distributed under the License is distributed on an \"AS IS\" BASIS,\n");
  		sb.append("WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n");
  		sb.append("See the License for the specific language governing permissions and\n");
  		sb.append("limitations under the License.\n\n");
  
  		// Usage
  		sb.append("Usage: java org.itc.irst.tcc.sre.SentenceSet2VectorSet [options] example-file model-file output-file\n\n");
  
  		// Arguments
  		sb.append("Arguments:\n");
  		sb.append("\ttest-file\t-> file with test data (SRE format)\n");
  		sb.append("\tmodel-file\t-> file from which to load the learned model\n");
  		sb.append("\toutput-file\t-> file in which to store resulting output\n");
  
  		sb.append("Options:\n");
  		sb.append("\t-h\t\t-> this help\n");
  
  		return sb.toString();
  	}
docs: Returns a command-line help.
  
  return a command-line help.