text: Circuit Court of Appeals Judge Ketanji Brown Jackson. One of our nationâ€™s top legal minds, who will continue Justice Breyerâ€™s legacy of excellence.', metadata={'source': '../../../state_of_the_union.txt'}),     1.1972057819366455)Retriever optionsâ€‹This section goes over different options for how to use Chroma as a retriever.MMRâ€‹In addition to using similarity search in the retriever object, you can also use mmr.retriever = db.as_retriever(search_type="mmr")retriever.get_relevant_documents(query)[0]    Document(page_content='Tonight. I call on the Senate to: Pass the Freedom to Vote Act. Pass the John Lewis Voting Rights Act. And while youâ€™re at it, pass the Disclose Act so Americans can know who is funding our elections. \n\nTonight, Iâ€™d like to honor someone who has dedicated his life to serve this country: Justice Stephen Breyerâ€”an Army veteran, Constitutional scholar, and retiring Justice of the United States Supreme Court. Justice Breyer, thank you for your service. \n\nOne of the most serious constitutional responsibilities a President has is nominating someone to serve on the United States Supreme Court. \n\nAnd I did that 4 days ago, when I nominated Circuit Court of Appeals Judge Ketanji Brown Jackson. One of our nationâ€™s top legal minds, who will continue Justice Breyerâ€™s legacy of excellence.', metadata={'source': '../../../state_of_the_union.txt'})Filtering on metadataâ€‹It can be helpful to narrow down the collection before working with it.For example, collections can be filtered on metadata using the get method.# filter collection for updated sourceexample_db.get(where={"source": "some_other_source"})    {'ids': [],