CotQAEvalChain()Evaluate question answering examples and predictions.
Output parser to use for agent.
Whether to return only the final parsed result.
The keys to use for the output.
Optional memory object.
[DEPRECATED] Use callbacks instead.
The keys to use for the output.
LLM Chain for evaluating QA using chain of thought reasoning.
Utilize the LLM generate method for speed gains.
Set the chain verbosity.