郑丽文当选中国国民党主席

Group 1 - The core viewpoint of the article is the election of Zheng Liwen as the new chairperson of the Kuomintang (KMT) on October 18, marking a significant event in the party's history [1][2]. Group 2 - Zheng Liwen is the second female chairperson in the history of the Kuomintang, following Hong Xiuzhu [2].