Context: Since 2004, through the V&A + RIBA Architecture Partnership, the RIBA and V&A have worked together to promote the understanding and enjoyment of architecture.

Question: When did the Victoria and Albert Museum and the Royal Institute of British Architects start a formal relationship?
Answer: 2004

Question: What is the name of the joint venture involving the Victoria and Albert Museum and the Royal Institute of British Architects?
Answer: the V&A + RIBA Architecture Partnership

Question: What is the main goal of the V&A + RIBA partnership?
Answer: to promote the understanding and enjoyment of architecture

Question: When did the Victoria and Albert Museum and the Royal Institute of British Architects end a formal relationship?
Answer: Unanswerable

Question: What is the name of the joint venture no longer involving the Victoria and Albert Museum and the Royal Institute of British Architects?
Answer: Unanswerable

Question: What is the main disadvantage of the V&A + RIBA partnership?
Answer: Unanswerable

Question: Who has never worked together?
Answer: Unanswerable