chose simpler grammar for testing

psGrammar/tasks/helpmecarry_commands.jsgf

@@ -5,16 +5,11 @@ public <statement> = [<robot>] [please] <command> [please] [<robot>];
 
 <robot> = (tobi | robot | biron);
 
-<command> = (<follow> | <stop> | <goto> | <deliver> | <find>);
+<command> = (<follow> | <stop> | <goto>);
 
-<follow> =  (follow [me] | come [with me] | let us go) [to the car];
-<stop> = (((stop | wait) [following me] [here]) | ((we (arrived at| are at | reached) | here is) [the] (car | goal)));
-<goto> = (go | drive) [back] to <location>;
-<deliver> = (bring | deliver | take) [the] <bag> to <location>;
-<find> = (find | search for| ask | look for) <name> in <location> [and ask (him | her) to help us];
+<follow> = (follow [me]);
+<stop> = (stop | wait) [here];
+<goto> = (go to [the] <place>);
+
+<place> = (place one | place two | door | start);
 
-<bag> = (bag | groceries);
-<name> = (michael | lucarelli | dombrowski | anna | beth | victoria);
-<location> = (<room> | <room> <precisePlace> | <precisePlace> | <precisePlace> in <room>);
-<room> = [the] (kitchen | bath room | living room | bed room);
-<precisePlace> = [the] (table | sofa | couch | shelf);