Ideology: A system of ideas that represents the interests of a certain class or social group formed on a certain socioeconomic basis. Which of the following are ideological? ['Although the stock market is down this week, most shareholders believe that the stock will rise next week.', 'A Provincial Federation of Literary and Art Circles Calls on Everyone to Resist Vulgar Culture and Purify the Cultural Environment in the New Era.', 'Photographer Xiao Han posted a group of photos of a poor Tibetan primary school student in a well-known forum, asking everyone to donate for it, and many people responded, causing a stir on the Internet.', 'The moment when "Chang\'e-1" was successfully launched, the whole country cheered and celebrated.']