Jake works for Bank Conglomerate of America (BCA), the largest investment bank in the United States. Jake has worked at Bank Conglomerate of America for a decade. Every American investment bank employs dozens of lawyers to defend against insider-trading allegations. Some Bank Conglomerate of America employees must pass a certification course. However, all employees must complete a mandatory class on insider trading. If the statements above are correct, which of the following must not be true? ['Jake took a class on insider trading.', 'Jake passed a certification course.', 'Jake never took a class on insider trading.', 'Jake has worked at Bank Conglomerate of America for a decade.']