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langchain/docs/docs_skeleton/docs/modules/chains/additional/multi_retrieval_qa_router.mdx

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# Dynamically selecting from multiple retrievers
This notebook demonstrates how to use the `RouterChain` paradigm to create a chain that dynamically selects which Retrieval system to use. Specifically we show how to use the `MultiRetrievalQAChain` to create a question-answering chain that selects the retrieval QA chain which is most relevant for a given question, and then answers the question using it.
import Example from "@snippets/modules/chains/additional/multi_retrieval_qa_router.mdx"
<Example/>