Group 1 - The article promotes a lottery event where participants can win shopping cards by engaging with the content through likes, shares, and comments [1][5]. - The lottery is tied to the performance of the article, with additional rewards for increased engagement, specifically for every 1,000 likes and shares beyond 10,000 [5]. - Participants must meet three conditions to qualify for the lottery: follow the official WeChat account, like and recommend the article, and answer a question correctly in the comments [5][3]. Group 2 - The article mentions a specific asset allocation service system by China Merchants Bank, which categorizes wealth stages and risk levels into four major segments [3].