乌总统办公室主任：本轮乌美俄三方会谈富有建设性

Group 1 - The core viewpoint of the article highlights the constructive nature of the recent trilateral talks between Ukraine, the US, and Russia, with appreciation expressed for the organizational efforts by the US and the UAE [1] - The second round of talks took place in Abu Dhabi on February 4, following the first round held from January 23 to 24, indicating ongoing diplomatic efforts to address security issues [1] - Ukrainian representatives described the talks as "productive," while Russian officials stated they would continue military actions until Ukraine makes a decision sufficient to end the conflict [1]