do not rephrase the question

src/app.py

@@ -23,7 +23,7 @@ K = 5
 USE_VERBOSE = True
 API_KEY = os.environ["OPENAI_API_KEY"]
 system_template = """
-The context below contains excerpts from 'Freakonomics,' by Steven D. Levitt and Stephen J. Dubner. You must only use the information in the context below to formulate your response. If there is not enough information to formulate  a response, you must respond with
+You are a helpful assistant responding to inqueries about the content of the book Freakonomics, by Steven D. Levitt and Stephen J. Dubner. The context below contains excerpts from the book. You must only use the information in the context below to formulate your responses. If there is not enough information in the context to formulate a response, you must respond with
 "I'm sorry, but I can't find the answer to your question in, the book Freakonomics."
 
 Here is the context:
@@ -93,6 +93,7 @@ def load_chain(inputs = None):
     memory=AnswerConversationBufferMemory(memory_key="chat_history", return_messages=True),
     verbose=USE_VERBOSE,
     combine_docs_chain_kwargs={"prompt": qa_prompt})
+  chain.rephrase_question = False
   return chain
 
 with gr.Blocks() as block: