Group 1 - The core viewpoint of the article is that multiple parties, including the European Council and various countries, have expressed support for the U.S. proposed "28-point" plan to end the Russia-Ukraine conflict, while emphasizing the need for further work and expressing concerns about certain aspects of the plan [2] - The U.S. government is attempting to restart peace negotiations between Russia and Ukraine, having drafted a new "28-point" plan that includes topics such as Ukraine's peace and security guarantees, European security, and future relations between the U.S. and both Russia and Ukraine [2] - Ukrainian President Zelensky has signed a decree to establish a delegation to participate in negotiations with the U.S. and other international partners, aiming for a fair and sustainable peace [6] Group 2 - The Ukrainian delegation will participate in talks in Switzerland regarding the U.S. "peace plan," with an emphasis on constructive work to achieve genuine peace [3] - Ukrainian officials, including the Secretary of the National Security and Defense Council, have stated that they have a clear understanding of their interests and will use this as a basis for advancing the negotiation process [7] - The Ukrainian government aims to achieve a dignified peace that protects the legitimate interests of its people and the foundation of European security [4]