Question: Which soda, Shasta or Tizer, was sold in the United Kingdom?

full_context: Document 1: Tizer: Tizer is a red-coloured, red-citrus flavoured soft drink bottled in Cumbernauld and sold in the United Kingdom. The name originally comes from the phrase "Tizer the Appetizer". It was launched in 1924 by Fred and Tom Pickup of Manchester when it was known as "Pickup's Appetizer", and is the offspring of Vimto and Irn-Bru. After the death of the Pickup brothers it was owned by the Armour Trust before being sold to the Scottish drinks company A.G. Barr plc for £2.5 million in 1972. As is the case with Barr's other famous drink Irn-Bru, Tizer's exact recipe has not been made public, although a list of ingredients and nutritional data is given on the product's packaging. In 2003, Tizer decided to sell other-flavoured versions of Tizer, such as "Purple" and "Green" versions. There was also a brief "fruitz" variation of Tizer in 2004. From 1996 to 2007, Tizer was stylised as T!zer.
Document 2: Stewart's Fountain Classics: Stewart's Fountain Classics are a brand of premium soft drinks made in the United States. Stewart's are nostalgic "old fashioned" fountain sodas, having originated at the Stewart's Restaurants, a chain of root beer stands started in 1924 by Frank Stewart in Mansfield, Ohio. In 1990, the bottling rights to Stewart's were acquired by the Cable Car Beverage Corporation. Cream Soda and Ginger Beer flavors were introduced in 1992. Other flavors have been added since then. Cable Car Beverage Corporation, in November 1997, was purchased by Triarc. Cadbury Schweppes PLC acquired the Stewart's brands in 2000 along with Snapple and Mistic Brands for $1.45 billion.
Document 3: List of citrus soft drinks: In addition to Pepsi's Mountain Dew, Coca-Cola's Mello Yello or Dr Pepper's Sun Drop, there are a variety of smaller or regional brands for citrus soda. In deference to Mountain Dew's leading position in the market segment, some brands also use the word "Mountain" in their names.
Document 4: Kola Inglesa: Fanta Kola Inglesa is a Peruvian soft drink. It is red in color and cherry-strawberry flavor. Introduced in 1912, Kola Inglesa currently comes in several sizes including a 3-liter bottle and a 500ml bottle. The drink is popular across Peru as in some Latin American markets in the United States. The brand was first owned by Manuel A. Ventura, who created the drink for the Peruvian market. In 1971 the recipe was sold to Mr. Enrique Heredia Alarcón (Pepsi's bottler in Peru at the time). It was during this time that the drink became highly popular among Peruvians. In 1997, following CEPSA's bankruptcy, the brand was sold to The Coca-Cola Company along with Agua San Luis. In 2013 the name changed to Fanta Kola Inglesa.
Document 5: Ting (drink): Ting is a carbonated beverage popular in the Caribbean. It is flavored with Jamaican grapefruit juice (from concentrate) and is both tart and sweet. Ting comes in a green glass bottle, green plastic bottle or a green and yellow can. Like Orangina, the beverage contains a small amount of sediment consisting of grapefruit juice pulp. Ting is produced in the United Kingdom under license by Cott Beverages. Ting also now makes Pink Ting Soda, Diet Ting Soda, and Ginger Beer.
Document 6: Irn-Bru: Irn-Bru ( "iron brew") is a Scottish carbonated soft drink, often described as "Scotland's other national drink" (after whisky). It is produced in Westfield, Cumbernauld, North Lanarkshire, by A.G. Barr of Glasgow, since moving out of their Parkhead factory in the mid-1990s, and at a second manufacturing site in Mansfield, Nottinghamshire, England. In addition to being sold throughout the United Kingdom, Barr's Irn-Bru is available throughout the world and can usually be purchased where there is a significant community of people from Scotland. Innovative and sometimes controversial marketing campaigns have kept it as the number one selling soft drink in Scotland, where it competes directly with global brands such as Coca-Cola and Pepsi.
Document 7: 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 8: Jones Soda: Jones Soda Co. is a beverage company based in Pioneer Square, Seattle, Washington. It bottles and distributes soft drinks, non-carbonated beverages, energy drinks, and candy. Jones Soda is a carbonated soft drink that has many unusual flavors that are not offered by other soft drink makers.
Document 9: Vimto: Vimto is a soft drink sold in the United Kingdom. It was first manufactured as a health tonic in cordial form, then decades later as a carbonated drink. It contains the juice of grapes, raspberries and blackcurrants (in a 3% concentration), flavoured with herbs and spices. The original recipe was invented in 1908 by (John) Noel Nichols. Nichols grew up in the Lancashire town of Blackburn. It is often referred to as the rich man's Red Kola.
Document 10: Shasta (soft drink): Shasta Beverages is an American soft drink manufacturer which markets a value priced soft drink line with a wide variety of soda flavors under the brand name Shasta Soda. The company name is derived from Mount Shasta and an associated spring.
Document 11: Shasta Cascade Broadcasting Corporation: Shasta Cascade Broadcasting Corporation is a small independent broadcast company based in Mount Shasta, California. It used to own KWSD-AM 620 (now KMJC, a Jefferson Public Radio-owned station) and KEDY-FM 95.3 (now KKLC, a repeater station for K-LOVE). The company was founded on July 25, 1946, by David H. Rees, Sr., who applied for domestic corporation on that date and KWSD-AM began to broadcast the following year in 1947. It remains an active business. David H. Rees, Jr., is the owner/president. Robert D. Winston is the registered agent.
Document 12: Silver Spring Soft Drinks: Silver Spring Soft Drinks Ltd was a commercial limited company that produced a range of soft drinks from its factory and headquarters at Folkestone, Kent, in the United Kingdom. Founded as a company in 1886, the company traded under the name of Silver Spring Mineral Water Company until it changed ownership in 2009; it was subsequently sold by Privet Capital in 2010. The new entity in turn hit trouble in 2012 and was liquidated in early 2013. It produced the drink brands Perfectly Clear and Rola Cola along with own label brands for supermarket chains.
Document 13: SodaStream: SodaStream International Ltd. (NASDAQ: SODA ) is an Israeli drinks company best known as the maker of the consumer home carbonation product of the same name. The device, like a soda syphon, carbonates water by adding carbon dioxide from a pressurized cylinder to create soda water (or carbonated water) to drink. The company also sells more than 100 types of concentrated syrups and flavourings to make carbonated drinks.
Document 14: Robinsons (drink): Robinsons is an English fruit drink brand owned by Britvic. Robinsons has a royal warrant from Queen Elizabeth II and was an independent company until 1995 when it was acquired by Britvic. The Robinsons range includes Fruit Shoot, Fruit Squash, No Added Sugar Fruit Squash, Fruit & Barley, Barley Water, Select and Squash'd; the range formerly also included Fruit Spring. For the Diamond Jubilee of Elizabeth II, Strawberry and Cream was added to the range.
Document 15: Barq's: Barq's is an American soft drink. Its brand of root beer is notable for having caffeine.<ref name="http://www.overcaffeinated.org/database/soda-pop/barqs-root-beer.php">Caffeine Database | Caffeine and Ingredients in Barqs Rootbeer, OverCaffeinated.org's Report on the Ingredients in Barq's Rootbeer</ref> Barq's, created by Edward Barq and bottled since the turn of the 20th century, is owned by the Barq family but bottled by the Coca-Cola Company. It was known as Barq's Famous Olde Tyme Root Beer until 2012.
ground_truth: Tizer