Update app.py

app.py

@@ -146,7 +146,7 @@ def process_llm_response(llm_response):
             'Vidya Vahini.pdf' : 'https://www.sssbpt.info/vahinis/Vidya/VidyaVahiniInteractive.pdf',
 }
 
-    resp = [" I don't know.","I don't know.", "I'm sorry, I don't understand the question. Can you please provide more context or rephrase it?", "Sairam, How can I help you!", "I'm sorry, but I don't know the answer to your question."]
+    resp = [" I don't know.","I don't know.", "I'm sorry, I don't understand the question. Can you please provide more context or rephrase it?", "Sairam, How can I help you!", "I'm sorry, but I don't know the answer to your question.", "I am confused", "I do not know"]
 
     if llm_response['result'] in resp :
       return ans