Update app.py

app.py

@@ -96,21 +96,22 @@ def display_chat_history(chat_history):
 def handle_no_answer(response):
     no_answer_phrases = [
     # German phrases
-    "ich weiß es nicht",
-    "ich bin mir nicht sicher",
+    "Ich weiß es nicht",
+    "Ich weiß nicht"
+    "Ich bin mir nicht sicher",
     "es wird nicht erwähnt",
     "keine Information",
     "das ist unklar",
     "da habe ich keine Antwort",
     "das kann ich nicht beantworten",
     # English phrases
-    "i don't know",
-    "i am not sure",
-    "it is not mentioned",
+    "I don't know",
+    "I am not sure",
+    "It is not mentioned",
     "no information",
     "that is unclear",
-    "i have no answer",
-    "i cannot answer that",
+    "I have no answer",
+    "I cannot answer that",
     "unable to provide an answer",
     "not enough context",
     # Add more phrases as needed