restructured grammar

ps-grammar/restaurant/otherCommand.jsgf

 #JSGF V1.0;
 grammar restaurant_save_command;
 
-public <restaurant> = <followMe> | <stop> | <ordering>;
+public <restaurant> = <followMe> | <stop> | <ordering> | <save>;
+<save> = save [[a] location];
 <followMe> = (follow me) | (come [(with me) | here]) | (keep up);
 <ordering> = ordering;
 <stop> = stop [this];

ps-grammar/restaurant/saveCommand.jsgf

@@ -4,5 +4,6 @@ grammar restaurant_save_command;
 public <restaurant> = [tobi] [please] save ( <deliveryLocations> | <objectCategory> ) [[to | on] [the | my] ( <savePlaceLeft> | <savePlaceRight> )];
 <savePlaceLeft> = left;
 <savePlaceRight> = right;
-<deliveryLocations> = table (one | two | three);
+<deliveryLocations> = table <numberOfTable>;
+<numberOfTable> = one | two | three;
 <objectCategory> = drinks | snacks;