Add some drinks

psGrammar/tasks/receptionist/getDrink.jsgf

@@ -8,6 +8,6 @@ public <drinkstring> = [<prefix>] <drink> [<robot>];
 
 <ilike> = (i like);
 
-<drink> =  ( (apple_juice) | (iso_drink) | (orange_juice) | (red_spritzer) | (sparkling_water) );
+<drink> =  ( (apple_juice) | (iso_drink) | (orange_juice) | (red_spritzer) | (sparkling_water) | (milk) | (coke) | (water) | (lemon juice));
 
 <robot> = (tobi) | (robot) | (biron) | (pepper);