public static Map<String,int[]> setupLexicon(String lexicon_file)
	{
		Map<String, int[]> lexicon = new HashMap<String,int[]>();
		try {
			BufferedReader in = new BufferedReader(new FileReader(lexicon_file));
			String line;
			while ((line = in.readLine()) != null) 
			{
				String words[] = line.split(" ");
				//insert into lexicon
			}
				
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		return lexicon;
	}