diff --git a/pocketsphinxAdapter/grammar/demoChallange/demoChallange.jsgf b/pocketsphinxAdapter/grammar/demoChallange/demoChallange.jsgf
index 4db1bde3c84c95f5a3692e50c1305ab90d956341..39101c413144a21965c0de6caffe5bfef050cda7 100644
--- a/pocketsphinxAdapter/grammar/demoChallange/demoChallange.jsgf
+++ b/pocketsphinxAdapter/grammar/demoChallange/demoChallange.jsgf
@@ -1,7 +1,9 @@
 #JSGF V1.0;
 grammar ToBI_demoChallange;
-public <statement> = [tobi] [please] (<followMe> | <stop> | <cleanUp>) [please] [tobi];
+public <statement> = [tobi] [please] <command> [please] [tobi];
 
+<command> = <followMe> | <stop> | <cleanUp> | <grasp>;
 <followMe> = follow me;
 <stop> = stop [it];
 <cleanUp> = clean [up];
+<grasp> = grasp [object];