restructred grammar

ps-grammar/restaurant/ordering.jsgf

@@ -10,4 +10,4 @@ public <restaurant> = [tobi] [please] bring <objects> to <deliveryLocations>;
 <objects> = <drinks> | <snacks>;
 
 <drinks> = (orange juice) | (fruit juice) | (ice tea) | coffee | beer;
-<snacks> = chocolates | (chewing gum) | peanuts;
+<snacks> = chocolates | (chewing gum) | peanuts | apple;