zoo grammar

ps-grammar/robotZoo/Ask4Task.jsgf

@@ -5,7 +5,7 @@ public <statement> = [tobi] ( <dance> | <joke> | <show> ) [tobi];
 
 
 <dance> = dance;
-<joke> = ( [tell] [me] [a] joke | gag );
-<show> = ( [show] [me] team | show | (team member) );
+<joke> = [tell] [me] [a] (  joke | gag );
+<show> = [show] (  team | (team member) );