据日本读卖新闻：日本和欧盟将就经济伙伴关系发表联合声明，双方旨在加强双方经济联盟，重点关注贸易、技术和供应链合作。

Group 1 - The core viewpoint of the article is that Japan and the European Union are set to issue a joint statement regarding their economic partnership, focusing on enhancing their economic alliance with an emphasis on trade, technology, and supply chain cooperation [1]