adding logics

src/main.py

@@ -74,7 +74,7 @@ def create_conversational_response(vector_store, chain_type, k):
 
     # Creating Prompt template
     template = """
-    {chat_history}
+    Use the following pieces of context to answer the question at the end. If you don't know the answer, just say that you don't know, don't try to make up an answer. Use three sentences maximum. Keep the answer as concise as possible. 
     {context}
     Question: {question}
     Helpful Answer:"""