Group 1 - The article highlights the importance of immediate CPR and the use of AEDs in cases of cardiac arrest, emphasizing that timely intervention can significantly impact survival chances [1][3] - A recent incident involving Taiwanese musician Han Hsien-Kuang, who suffered cardiac arrest while playing badminton, underscores the urgency of public awareness and preparedness for such emergencies [1][2] - Medical experts stress the need for widespread training in CPR and the availability of AEDs in public spaces to improve emergency response and save lives [3] Group 2 - The article references a tragic case from July 2022, where a young Chinese badminton player, Zhang Zhijie, died after collapsing during a match, highlighting the ongoing concern regarding cardiac arrest incidents in sports [2] - Experts call for improved standards for emergency medical equipment in crowded places such as schools, sports venues, and transportation hubs to enhance public safety [3]