Original sentence: " Iran reported the joint declaration to the IAEA on May 24, asking it to inform the "Vienna Group" (the United States, Russia, France, and the IAEA), in order to conclude a written agreement and make contingent arrangements between Iran and the Vienna Group.On May 17, it was reported that Iran, Brazil, and Turkey had signed a joint declaration "in which Iran agreed to send low-enriched uranium to Turkey in return for enriched fuel for a research reactor
Edited sentence: A week later, Iran conveyed its support for the proposed fuel exchange to the IAEA and asked the IAEA to inform the United States, Russia and France in order to begin negotiation of a formal agreement.The British Broadcasting Corporation has reported that Iran, Brazil, and Turkey "signed a deal in which Iran agreed to send low-enriched uranium to Turkey in return for enriched fuel for a research reactor" on May 17, 2010