Update LightSwitchGroovyModel.groovy
diff --git a/nlpcraft-examples/lightswitch/src/main/java/org/apache/nlpcraft/examples/lightswitch/LightSwitchGroovyModel.groovy b/nlpcraft-examples/lightswitch/src/main/java/org/apache/nlpcraft/examples/lightswitch/LightSwitchGroovyModel.groovy
index 55d2393..9c9e978 100644
--- a/nlpcraft-examples/lightswitch/src/main/java/org/apache/nlpcraft/examples/lightswitch/LightSwitchGroovyModel.groovy
+++ b/nlpcraft-examples/lightswitch/src/main/java/org/apache/nlpcraft/examples/lightswitch/LightSwitchGroovyModel.groovy
@@ -65,7 +65,7 @@
         @NCIntentTerm("act") NCToken actTok,
         @NCIntentTerm("loc") List<NCToken> locToks) {
         String status = actTok.id == "ls:on" ? "on" : "off"
-        String locations = locToks ? locToks.collect{ it.getOriginalText() }.join(", ") : "entire house"
+        String locations = locToks ? locToks*.originalText.join(", ") : "entire house"
 
         // Add HomeKit, Arduino or other integration here.