Group 1 - The core viewpoint of the article is the announcement of a "white list" of sports training institutions in Zhengzhou, with 274 institutions approved for offline training as of January 22 [2] Group 2 - The Zhengzhou Sports Bureau advises parents and students to choose compliant institutions that have received approval from sports authorities and possess the necessary certifications [3] - It is recommended to sign formal contracts using the standardized template for extracurricular training services, ensuring clarity on training projects, requirements, fees, and dispute resolution [3] - Parents should be cautious with payment, limiting upfront fees to no more than 5000 yuan and ensuring that payment spans do not exceed three months or 60 classes, while also requesting official receipts [3] - The article warns against institutions not on the "white list," as they lack proper approval and may pose safety risks [3]