diff --git a/psGrammar/demos/demoDynamic.jsgf b/psGrammar/demos/demoDynamic.jsgf
index 9b5cdec0dd4ff34ad195ba2ecd4aca2d7d4182ff..d18b5afd55947fdc00b2891bd376cf67cc2462c8 100644
--- a/psGrammar/demos/demoDynamic.jsgf
+++ b/psGrammar/demos/demoDynamic.jsgf
@@ -10,15 +10,15 @@ public <command> = [<robot>] ( <introduce> | <save> | <wave> | <goTo> | <followM
 <wave> = (wait for me);
 <goTo> = (go to location);
 <followMe> = (follow me);
-<followHand> = (come with me) | (give me your hand);
+<followHand> = (come with me);
 <gravity> = (gravity compensation) | (show me your gripper) | (switch to gravity mode);
 <exit> = (stop the task);
 
-<trash> = ([please] ((take out the trash) | (take out the garbage)));
-<search> = ([please] search for [a] [waving] person);
+<trash> = (((take out the trash) | (take out the garbage)));
+<search> = ( search for [a] [waving] person);
 <describe> = (tell me what you see);
 <difference> = (spot the difference);
-<bring> = ([please] (bring) [the] <bringObject> (to a waving person));
+<bring> = ((bring) [the] <bringObject> (to a waving person));
 <bringObject> = (coke | drink | beer | object);
 <take> = handover | (take the <takeObject> from me);
 <takeObject> = (coke | drink | beer | object);