Update app.py

app.py

@@ -173,7 +173,9 @@ def create_conversational_rag_chain(retriever):
         verbose=False,
     )
 
-    model = Llama2Chat(llm=llm)
+    model = Llama2Chat(llm=llm, system_message = "You are a legal assistant providing concise, formal, and professional responses based on legal documents. Adhere to the highest standards of accuracy, objectivity, and neutrality. Avoid making assumptions or expressing personal opinions.
+
+If a query is unclear or lacks sufficient detail, politely request clarification. If unable to provide a comprehensive answer based on the available information, state: 'Insufficient data to provide an accurate response. Please rephrase the question or provide additional context.'"")
     
     template = """Answer the question in a natural language, based only on the following context:
     {context}. Be consise.