特朗普与普京进行电话会谈

Group 1 - The core point of the article revolves around the phone conversations between US President Trump, Russian President Putin, and Ukrainian President Zelensky, indicating ongoing diplomatic efforts regarding the Russia-Ukraine conflict [1][5][6]. - Trump had a phone call with Zelensky before his conversation with Putin, although the specific details of the discussions have not been disclosed [5][6]. - Following the call with Putin, Trump plans to reach out to Zelensky again, suggesting a continuous dialogue between the US and Ukraine [7]. Group 2 - Russian presidential spokesman Peskov mentioned that the scheduling of a meeting between Trump and Putin is under careful consideration, indicating that no preparations are currently underway for such a meeting [3]. - Peskov expressed that Russia would appreciate US involvement in mediating the Russia-Ukraine issue, highlighting the potential for US-Russia cooperation in resolving the conflict [3]. - The Russian and Ukrainian delegations resumed direct negotiations in Istanbul on May 16, reaching a consensus on the exchange of 1,000 prisoners, although no significant breakthroughs were achieved in the talks [3].