Add search

psGrammar/tasks/dynamicdemo2019.jsgf

@@ -4,8 +4,10 @@ public <string> = [<robot>] (<command>);
 
 <robot> = ((tobi) | (robot) | (tiago));
 
-<command> = ( <introduce> | <trash> );
+<command> = ( <introduce> | <trash> | <search>);
 
 <introduce> = (introduce yourself);
 
 <trash> = ([please] ((take out the trash) | (take out the garbage)));
+
+<search> = ([please] search for [a] [waving] person);