fixed grammaer error

ps-grammar/kgardeja/kgardeja.jsgf

@@ -2,7 +2,7 @@
 grammar kgardeja;
 public <statement> = <kitchen> | <livingroom> | <accept> | <cleankitchen> | <cleanlivingroom> | <decline> | <search> | <clean> | tobi <clean>;
 <kitchen> = kitchen;
-<clean> = clean; clean up; sort; clean room; clean up room; tidy up; tidy up room; start; start cleaning; start searching; search; search for objects;
+<clean> = clean | (clean up) | sort | (clean room) | (clean up room) | (tidy up) | (tidy up room) | start |  (start cleaning) |  (start searching) | search | (search for objects);
 <search> = search;
 <livingroom> = livingroom;
 <accept> = yes;