# Autonomous agent - what we are NOT building
tools = [retrieve_by_toc, retrieve_by_keywords, retrieve_dense,
         re_parse_with_camelot, follow_reference, ask_clarification]

state = {"question": question, "history": []}
while not is_satisfied(state):
    next_action = llm.choose_next_tool(state, tools)
    result = execute(next_action)
    state["history"].append((next_action, result))