Question: when did the soft drink company Beyonce has worked with since 2002 change from sugar to corn syrup ?

full_context: Document 1: Coca-Cola: Coca - Cola Type Cola Manufacturer The Coca - Cola Company Country of origin United States Introduced May 8, 1886; 132 years ago (1886 - 05 - 08) Color Caramel E-150d Flavor Cola Variants Diet Coke Diet Coke Caffeine - Free Caffeine - Free Coca - Cola Coca - Cola Zero Sugar Coca - Cola Cherry Coca - Cola Vanilla Coca - Cola Citra Coca - Cola Life Related products Pepsi RC Cola Afri - Cola Postobón Inca Kola Kola Real Cavan Cola Website www.coca-colacompany.com
Document 2: Coca-Cola: Coca - Cola, or Coke, is a carbonated soft drink produced by The Coca - Cola Company. Originally intended as a patent medicine, it was invented in the late 19th century by John Pemberton and was bought out by businessman Asa Griggs Candler, whose marketing tactics led Coca - Cola to its dominance of the world soft - drink market throughout the 20th century. The drink's name refers to two of its original ingredients, which were kola nuts (a source of caffeine) and coca leaves. The current formula of Coca - Cola remains a trade secret, although a variety of reported recipes and experimental recreations have been published.
Document 3: Coca-Cola Bottling Company of Cape Cod: The Coca-Cola Bottling Company of Cape Cod is a former bottler of Coca-Cola, Dr Pepper and Canada Dry soft drinks located in Sandwich, Massachusetts, United States. The company was bought out in 2000 by the Coca-Cola Bottling Company of Northern New England.
Document 4: Beyoncé: In 2015 Beyoncé signed an open letter which the ONE Campaign had been collecting signatures for; the letter was addressed to Angela Merkel and Nkosazana Dlamini-Zuma, urging them to focus on women as they serve as the head of the G7 in Germany and the AU in South Africa respectively, which will start to set the priorities in development funding before a main UN summit in September 2015 that will establish new development goals for the generation.
Document 5: Beyoncé: In December, Beyoncé along with a variety of other celebrities teamed up and produced a video campaign for "Demand A Plan", a bipartisan effort by a group of 950 US mayors and others designed to influence the federal government into rethinking its gun control laws, following the Sandy Hook Elementary School shooting. Beyoncé became an ambassador for the 2012 World Humanitarian Day campaign donating her song "I Was Here" and its music video, shot in the UN, to the campaign. In 2013, it was announced that Beyoncé would work with Salma Hayek and Frida Giannini on a Gucci "Chime for Change" campaign that aims to spread female empowerment. The campaign, which aired on February 28, was set to her new music. A concert for the cause took place on June 1, 2013 in London and included other acts like Ellie Goulding, Florence and the Machine, and Rita Ora. In advance of the concert, she appeared in a campaign video released on 15 May 2013, where she, along with Cameron Diaz, John Legend and Kylie Minogue, described inspiration from their mothers, while a number of other artists celebrated personal inspiration from other women, leading to a call for submission of photos of women of viewers' inspiration from which a selection was shown at the concert. Beyoncé said about her mother Tina Knowles that her gift was "finding the best qualities in every human being." With help of the crowdfunding platform Catapult, visitors of the concert could choose between several projects promoting education of women and girls. Beyoncé is also taking part in "Miss a Meal", a food-donation campaign, and supporting Goodwill charity through online charity auctions at Charitybuzz that support job creation throughout Europe and the U.S.
Document 6: Pepsi-Cola Made with Real Sugar: The Pepsi - Cola Made with Real Sugar, formerly called Throwback, is a brand of soft drink sold by PepsiCo in the United States and in sweet stores in South Australia for its flagship Pepsi and Mountain Dew brands. The drinks, called Pepsi Throwback and Mountain Dew Throwback, are named as such because they are flavored with cane sugar and beet sugar instead of high fructose corn syrup, which soft drink companies used to replace sugar (in their North American products) in the 1980s. In addition, these drinks use retro packaging. As of June 2014, Pepsi Throwback has been replaced in one area of the United States by ``Pepsi - Cola Made with Real Sugar '', a new product formulation, also made without high fructose corn syrup.
Document 7: Diet drink: The beginning of the diet drink or refreshment era was in 1952, when Kirsch Bottling in Brooklyn, New York launched a sugar - free ginger ale called No - Cal. It was designed for diabetics, not dieters, and distribution remained local. Royal Crown Cola placed an announcement in an Atlanta newspaper in 1958 announcing a diet product, Diet Rite. In 1962, Dr Pepper released a diet (etic) version of its soft drink, although it sold slowly due to the misconception that it was meant solely for diabetic consumption. In 1963, The Coca - Cola Company joined the diet soft drink market with Tab, which proved to be a huge success. Tab was originally sweetened with cyclamates and saccharin.
Document 8: Beyoncé: Beyoncé has worked with Tommy Hilfiger for the fragrances True Star (singing a cover version of "Wishing on a Star") and True Star Gold; she also promoted Emporio Armani's Diamonds fragrance in 2007. Beyoncé launched her first official fragrance, Heat in 2010. The commercial, which featured the 1956 song "Fever", was shown after the water shed in the United Kingdom as it begins with an image of Beyoncé appearing to lie naked in a room. In February 2011, Beyoncé launched her second fragrance, Heat Rush. Beyoncé's third fragrance, Pulse, was launched in September 2011. In 2013, The Mrs. Carter Show Limited Edition version of Heat was released. The six editions of Heat are the world's best-selling celebrity fragrance line, with sales of over $400 million.
Document 9: New Coke: New Coke was the unofficial name for the reformulation of Coca - Cola introduced in April 1985 by the Coca - Cola Company to replace the original formula of its flagship soft drink Coca - Cola (also called Coke). In 1992, it was named Coke II.
Document 10: Manzanita Sol: Manzanita Sol is a brand of apple-flavored soft drinks owned by PepsiCo and is predominant in Mexico. In the United States it is sold in 12-pack cans, 2-liter, and 20-ounce bottles. The drink is known to be available at Walmart, Albertsons, H-E-B, Ralphs, Kmart, Food 4 Less, Jewel-Osco, Dominick's, Target, Vons, Stater Bros., United Supermarkets in the Amarillo and Lubbock, Texas area, and other smaller chains and smaller family run stores. In Latin American countries, Manzanita Sol will compete with The Coca-Cola Company's Manzana Lift. Manzanita Sol is PepsiCo's number two brand in Mexico, with apple being Mexico's second most popular soft drink flavor. It is also very popular in the borderlands such as the El Paso/Juarez border.
Document 11: Beyoncé: In October 2014, it was announced that Beyoncé with her management company Parkwood Entertainment would be partnering with London-based fashion retailer Topshop, in a new 50/50 split subsidiary business named Parkwood Topshop Athletic Ltd. The new division was created for Topshop to break into the activewear market, with an athletic, street wear brand being produced. "Creating a partnership with Beyoncé, one of the most hard-working and talented people in the world, who spends many hours of her life dancing, rehearsing and training is a unique opportunity to develop this category" stated Sir Philip Green on the partnership. The company and collection is set to launch and hit stores in the fall of 2015.
Document 12: Aspen Soda: Aspen Soda was an apple-flavored soft drink sold across the United States by PepsiCo from 1978 until 1982. In 1984, PepsiCo came out with a replacement apple soda under its new Slice line.
Document 13: Beyoncé: Beyoncé's lighter skin color and costuming has drawn criticism from some in the African-American community. Emmett Price, a professor of music at Northeastern University, wrote in 2007, that he thinks race plays a role in many of these criticisms, saying white celebrities who dress similarly do not attract as many comments. In 2008, L'Oréal was accused of whitening her skin in their Feria hair color advertisements, responding that "it is categorically untrue", and in 2013, Beyoncé herself criticized H&M for their proposed "retouching" of promotional images of her, and according to Vogue requested that only "natural pictures be used".
Document 14: Beyoncé: Beyoncé has worked with Pepsi since 2002, and in 2004 appeared in a Gladiator-themed commercial with Britney Spears, Pink, and Enrique Iglesias. In 2012, Beyoncé signed a $50 million deal to endorse Pepsi. The Center for Science in the Public Interest (CSPINET) wrote Beyoncé an open letter asking her to reconsider the deal because of the unhealthiness of the product and to donate the proceeds to a medical organisation. Nevertheless, NetBase found that Beyoncé's campaign was the most talked about endorsement in April 2013, with a 70 per cent positive audience response to the commercial and print ads.
Document 15: Beyoncé: Beyoncé's work has influenced numerous artists including Adele, Ariana Grande, Lady Gaga, Bridgit Mendler, Rihanna, Kelly Rowland, Sam Smith, Meghan Trainor, Nicole Scherzinger, Rita Ora, Zendaya, Cheryl Cole, JoJo, Alexis Jordan, Jessica Sanchez, and Azealia Banks. American indie rock band White Rabbits also cited her an inspiration for their third album Milk Famous (2012), friend Gwyneth Paltrow studied Beyoncé at her live concerts while learning to become a musical performer for the 2010 film Country Strong. Nicki Minaj has stated that seeing Beyoncé's Pepsi commercial influenced her decision to appear in the company's 2012 global campaign.
ground_truth: the 1980s
sub_queries: What soft drink company has Beyoncé worked with since 2002? Answer: Pepsi
when did Pepsi change from sugar to corn syrup Answer: the 1980s