public void _dict(CommandInterpreter ci) {
		String arg = ci.nextArgument();
		String word = ci.nextArgument();
		if(arg == null) {
			return;
		}
		if (arg.equalsIgnoreCase("check")) {
			if(word != null && dictionary.check(word)) {
				ci.println(word + ": exists in the dictionary");
			} else {
				ci.println(word + ": doesn't exist in the dictionary");
			}
		}
		if (arg.equalsIgnoreCase("languages")) {
			String[] langs = dictionary.getLanguages();
			for(int i = 0; i < langs.length; i++) {
				ci.println("Languages available:");
				ci.println("\t " + langs[i]);
			}
		}
	}