if (line == null || line.equals("q") ||
line.equalsIgnoreCase("quit"))
return QUIT;
if (line.equals("n") || line.equalsIgnoreCase("north"))
return NORTH;
if (line.equals("e") || line.equalsIgnoreCase("east"))
return EAST;
if (line.equals("s") || line.equalsIgnoreCase("south"))
return SOUTH;
if (line.equals("w") || line.equalsIgnoreCase("west"))
return WEST;
if (line.equals("h") || line.equals("?") ||
line.equalsIgnoreCase("help"))
return HELP;
// more later...
return UNKNOWN;
