diff --git a/ps-grammar/basicFunctionalities/basicFunctionalities.jsgf b/ps-grammar/basicFunctionalities/basicFunctionalities.jsgf
index 6ab69373f0848c07a2893a1c2224f4588b596841..7d89ba6d4200847fed2877c74b56aed89cd40904 100644
--- a/ps-grammar/basicFunctionalities/basicFunctionalities.jsgf
+++ b/ps-grammar/basicFunctionalities/basicFunctionalities.jsgf
@@ -1,7 +1,7 @@
 #JSGF V1.0;
 grammar basicFunctionalities;
 
-public <basicFunctionalities> = <question1> | <question2> | <question3> | <question4> | <question5> | <question6> | <question7> | <question8> | <question9> | <question10> | <continue> | <stop> | <stop_pick_and_place>;
+public <basicFunctionalities> = <question1> | <question2> | <question3> | <question4> | <question5> | <question6> | <question7> | <question8> | <question9> | <question10> | <continue> | <stop> | <stop_pick_and_place> | <yes> | <no>;
 <continue> = tobi continue | continue;
 <stop> = tobi stop;
 <yes> = <tobi_yes> | yes;