Fan culture: refers to social and cultural phenomena such as excessive worship, excessive consumption, and unpaid payment caused by individuals or groups in pursuit of a specific object. Which of the following are not part of fan culture? ['A scholar successfully held a lecture on the TV station. Since then, the classroom outside his class has often been crowded with students who asked for autographs and group photos.', 'In order for singer Xiao Yang to win the draft show, many unfamiliar young people spontaneously organized, pulling votes, sponsorship behind Tiantiantai and behind the scenes, very busy.', "Xiao Zhang is a reporter for an entertainment magazine. His main task is to report on the news of the entertainment industry. Sometimes, in order to track a star, he can't even eat.", 'Xiaoli is a loyal fan audience of China on the Tip of the Tongue. She downloads each episode to a computer and watches it repeatedly, often to the point of sleeping and eating.']