Group 1 - The article discusses a case where a man named Chen, aged 46, was held legally accountable for spreading rumors about fake gold bars from Industrial and Commercial Bank of China (ICBC) to gain attention on social media [1][3] - The rumors originated from a customer's complaint about impurities found in gold bars purchased from ICBC's Jiading branch, which was later confirmed to be untrue [3][4] - ICBC's Jiading branch took the matter seriously, contacted the customer, and arranged for the gold bars to be tested by a quality inspection center, which confirmed a gold content of 99.99% with no quality issues [4][5] Group 2 - The gold bars in question were produced by Zhaojin Mining Industry Company, which has been in operation since 1974 and is a large comprehensive group involved in mining, deep processing, finance, and other industries [5] - The article emphasizes the importance of discerning information on the internet and encourages the public to rely on authoritative sources to avoid spreading rumors [5]