diff --git a/public/dialogs/stefan.json b/public/dialogs/stefan.json
index 6f2b7c8cbb547fa177246092aaf4a7a120380a5f..484b1745bf957138fda9e1520c1b9ffb424c6d69 100644
--- a/public/dialogs/stefan.json
+++ b/public/dialogs/stefan.json
@@ -9,13 +9,19 @@
       "options": [
         {
           "text": "Bin ich hier richtig bei Herrn Dißmann?",
-          "forbiddenFacts": ["stefan/madeFirstContact"],
+          "forbiddenFacts": [
+            "stefan/madeFirstContact",
+            "kitchenWaste/carriesStinkingBag"
+          ],
           "linksToDialog": "firstContact"
         },
         {
           "text": "Halten sie nicht die DAP1-Vorlesung?",
           "requiredFacts": ["stefan/madeFirstContact"],
-          "forbiddenFacts": ["stefan/askedAfterDap1"],
+          "forbiddenFacts": [
+            "stefan/askedAfterDap1",
+            "kitchenWaste/carriesStinkingBag"
+          ],
           "linksToDialog": "dap1question"
         },
         {
@@ -24,8 +30,16 @@
             "stefan/madeFirstContact",
             "hans/acceptedQuestToFindNewAlumniMembers"
           ],
-          "forbiddenFacts": ["stefan/askedToJoinAlumni"],
+          "forbiddenFacts": [
+            "stefan/askedToJoinAlumni",
+            "kitchenWaste/carriesStinkingBag"
+          ],
           "linksToDialog": "joinAlumniQuestion"
+        },
+        {
+          "text": "Hallo?",
+          "requiredFacts": ["kitchenWaste/carriesStinkingBag"],
+          "linksToDialog": "kitchenBagResponse"
         }
       ]
     },
@@ -76,6 +90,10 @@
           "linksToDialog": "start"
         }
       ]
+    },
+    "kitchenBagResponse": {
+      "text": "Mein Büro ist nicht der Müllraum! Bring das bitte weg.",
+      "options": []
     }
   }
 }