Group 1 - The core viewpoint of the articles revolves around the ongoing tensions and negotiations regarding the Russia-Ukraine conflict, with former President Trump suggesting a more aggressive stance for Ukraine against Russia [1][2][3] - Trump indicated that Ukraine should take offensive actions against Russia to have a chance of winning the war, criticizing President Biden for a defensive approach [1] - There is a lack of substantial progress in arranging a meeting between Russian President Putin and Ukrainian President Zelensky, with both sides expressing differing views on the conditions for such a meeting [2][3] Group 2 - Zelensky emphasized the need to apply pressure on Russia to end the war, stating that "Putin only understands force and pressure" [3] - The Western efforts to provide security guarantees to Ukraine are facing difficulties, with skepticism growing regarding the effectiveness of these plans [3] - Russia's opposition to NATO troop deployment in Ukraine is a fundamental stance, complicating the potential for negotiations and any future agreements [3]