伊朗外交部说伊美双方提出了“严肃而重要的建议”

Group 1 - The core viewpoint of the article is that Iran and the United States engaged in serious discussions regarding nuclear issues and sanctions during their third round of indirect negotiations [1] - The negotiations took place in Geneva, Switzerland, and were mediated by Oman, involving representatives from both countries and officials from the International Atomic Energy Agency [1] - The talks lasted approximately three hours and have been temporarily suspended for both delegations to consult with their respective governments before resuming [1]