Advertisement refers to the goods or services provided by the commodity operator and service provider for commercial purposes, directly or indirectly, through a certain medium or form, such as through newspapers, television, street signs, shop windows, etc. Publicity campaigns conducted. Which of the following are part of an advertising campaign:. ['The director of the cement factory gave a gift of one million yuan to the contractor in the neighboring county in order to better sell the cement.', 'Obama has spared no expense in giving speeches on television and in the press in order to become president.', 'Li Ning brand clothing sponsors Chinese sports delegation to go to the Olympic Games and obtain good social and economic benefits.', 'Teachers require students to use ballpoint pens for exams.']