diff --git a/ps-grammar/robotZoo/Ask4Task.jsgf b/ps-grammar/robotZoo/Ask4Task.jsgf
new file mode 100644
index 0000000000000000000000000000000000000000..d749a762f6f326645f6fa6b5d8f1f936eea6fb07
--- /dev/null
+++ b/ps-grammar/robotZoo/Ask4Task.jsgf
@@ -0,0 +1,11 @@
+#JSGF V1.0;
+grammar ToBI_Ask4Task;
+
+public <statement> = [tobi] ( <dance> | <joke> | <show> ) [tobi];
+
+
+<dance> = dance;
+<joke> = ( [tell] [me] [a] joke | gag );
+<show> = ( [show] [me] team | show | teammember );
+
+
diff --git a/ps-grammar/robotZoo/roboZoo.jsgf b/ps-grammar/robotZoo/roboZoo.jsgf
index 9a498a49826953ca17dc34bb1bae07dd3ce7420d..01a73eb95f73a717e3fc15a842f0170759646d6b 100644
--- a/ps-grammar/robotZoo/roboZoo.jsgf
+++ b/ps-grammar/robotZoo/roboZoo.jsgf
@@ -3,7 +3,7 @@ grammar ToBI_roboZoo;
 
 public <statement> = [tobi] (<biron> | <andi> | <leon> | <kai> | <martin> | <christian> | <leroy> | <suchit> | <niksa> | <sven> | <sebastian> | <timo> | <team>) [tobi];
 
-<biron> =  biron;
+<biron> =  ( biron | tobi );
 <andi> = andreas; 
 <leon> = leon;
 <kai> = kai;
@@ -15,4 +15,4 @@ public <statement> = [tobi] (<biron> | <andi> | <leon> | <kai> | <martin> | <chr
 <niksa> = niksa;
 <sven> = sven;
 <timo> = timo;
-<team> = team | whole;
+<team> = ( team | whole | everyone );