Added snacks to the serve Breakfast call.

psGrammar/demos/demoDynamic.jsgf

@@ -18,7 +18,7 @@ public <command> = [<robot>] ( <introduce> | <save> | <garbage>| <followHand> |
 <trigger_fetch> = ((bring | deliver) [me] [an] object);
 <trigger_sg> = (store the groceries);
 <trigger_littering> = (check for littering);
-<trigger_breakfast> = (serve breakfast);
+<trigger_breakfast> = (serve (breakfast | snacks));
 <trigger_people> = (describe [the] people);
 <trigger_goto> = (go to location);