changed grammar a little bit

psGrammar/demos/citecAnniversaryApartment.jsgf

@@ -3,6 +3,7 @@ grammar apartment;
 
 public <apartment> = [(tobi | biron | robot)] (<apartment_predef>);
 
-<apartment_predef> = <predef1> | <predef2>;
+<apartment_predef> = <predef1> | <predef2> | <predef3>;
 <predef1> = where is the apartment;
 <predef2> = can you show us the apartment;
+<prefef3> = guide us to the apartment;

psGrammar/demos/questionsCitec.jsgf

@@ -12,6 +12,6 @@ public <question> = [(tobi | pepper | robot)] (<quest_predef>);
 <predef6> = goodbye pepper;
 <predef7> = what are you doing at sy tech;
 <predef8> = what are your goals;
-<predef9> = what makes [the] sy tech so special compared to other institutions;
+<predef9> = what makes [the] sy tech special;
 <predef10> = what are actually your outcomes;
 <object> = can you tell me what this is;