Question: Spry was a brand of vegetable shortening produced by a British manufacturing company founded in what year?

full_context: Document 1: Crisco: Crisco is a brand of shortening produced by The J.M. Smucker Company popular in the United States. Introduced in June 1911 by Procter & Gamble, it was the first shortening to be made entirely of vegetable oil. Additional products marketed by Smucker under the Crisco brand include a cooking spray, various olive oils, and other cooking oils, including canola, corn, peanut, olive, sunflower, vegetable and blended oils.
Document 2: Psssssst: Psssssst Instant Spray Shampoo is a no-water substitute for traditional shampoo, popular in the 1970s; its popularity was widespread enough that it is considered a pop culture icon. The Nanny season 1 episode "Maggie the Model" featured a character who modeled for Psssssst during the 1960s. It was produced by Woodridge Labs. Its history may date to the 1950s. The company recently began making Psssssst again. The back label of a recently purchased can reads: "Between Shampoos- On Camping Trips- After Sports When Ill Any time you can't use water. Psssssst is the convenient, quick fresher-upper for your hair."
Document 3: Jasol Chemical Products: Jasol Chemical Products was a chemicals manufacturing company founded in Adelaide, South Australia by Charles George Johnson in 1934. It was well known in that state and Western Australia for its cleaning products and disinfectants, notably Jasol B. The brand is now owned by George Weston Foods. The name "Jasol" was an acronym of "Johnson's Antiseptic Soluble Oils Limited".
Document 4: Shirriff: Shirrif is the brand name of several food products first produced by the defunct Shirriff family food products company in Toronto, Ontario, Canada. Francis Shirriff founded a food extracts company in the 1880s. The company would go on develop a line of food products including marmalades, dessert toppings and jelly and pudding mixes. The company remained a family business until the 1950s when it was sold to the owner of the Dominion Stores chain. Later, the firm was bought by Kelloggs of Canada. In 1988 and 1992, Kelloggs sold its interests. Many of the Shirriff brand products are still in production, although now by other companies: The J. M. Smucker Company and Dr. Oetker. The company's most well-known product was likely its "Good Morning Marmalade", the best-selling marmalade in Canada. Francis Shirriff was also one of the founders of the Niagara Falls Wine Company, later known as Bright's and Vincor International.
Document 5: William Lever, 1st Viscount Leverhulme: William Hesketh Lever, 1st Viscount Leverhulme ( ; 19 September 1851 – 7 May 1925) was an English industrialist, philanthropist, and politician. Having been educated at a small private school until the age of nine, then at church schools until he was fifteen; a somewhat privileged education for that time, he started work at his father's wholesale grocery business in Bolton. Following an apprenticeship and a series of appointments in the family business, which he successfully expanded, he began manufacturing Sunlight Soap, building a substantial business empire with many well-known brands such as Lux and Lifebuoy. In 1886, together with his brother, James, he established Lever Brothers, which was one of the first companies to manufacture soap from vegetable oils, and which is now part of the Anglo-Dutch transnational business Unilever. In politics, Lever briefly sat as a Liberal MP for Wirral and later, as Lord Leverhulme, in the House of Lords as a Peer. He was an advocate for expansion of the British Empire, particularly in Africa and Asia, which supplied palm oil, a key ingredient in Lever's product line.
Document 6: Aunt Jenny: Aunt Jenny was an advertising character created for Spry Vegetable Shortening. Primarily portrayed by Edith Spencer, Aunt Jenny was best known as host and narrator of the long-lived radio show, "Aunt Jenny’s Real Life Stories" (January 18, 1937 – November 16, 1956), but she was also seen promoting the product in drawings, photographs and cookbooks.
Document 7: Walter Baker &amp; Company: The Baker Chocolate Company is the oldest producer of chocolate in the United States. The company was established when a physician named Dr. James Baker met John Hannon on the banks of the Neponset River. Irishman John Hannon was penniless but was a skilled chocolatier, a craft which he had learned in England and which was, until now, exclusive to Europe. With the help of Baker, Hannon was able to set up a business where he produced “Hannon’s Best Chocolate” for 15 years. In 1779, Hannon went on a trip to the West Indies and never returned. His wife sold the company in 1780 to Dr. Baker who changed the name to Baker Chocolate Company. The Baker's Chocolate brand now belongs to Mondelez International.
Document 8: Spry Vegetable Shortening: Spry was a brand of vegetable shortening produced by Lever Brothers starting in 1936. It was a competitor for Procter & Gamble's Crisco, and through aggressive marketing through its mascot Aunt Jenny had reached 75 percent of Crisco's market share. The marketing efforts were phased out in the 1950s, but Aunt Jenny and her quotes like "With Spry, we can afford to have cake oftener!" have been reprinted. Though the product is discontinued in most countries, there are anecdotal reports of its being used through the 1970s.
Document 9: Lever Brothers: Lever Brothers was a British manufacturing company founded in 1885 by brothers William Hesketh Lever (1851–1925) and James Darcy Lever (1854–1916). They invested in and successfully promoted a new soap-making process invented by chemist William Hough Watson. In 1930, Lever Brothers merged with Margarine Unie to form Unilever.
Document 10: Old HB: Old HB, Inc., known as Hostess Brands from 2009 to 2013 and established in 1930 as Interstate Bakeries Corporation, was a wholesale baker and distributor of bakery products in the United States. Before its 2012 closure and liquidation, it owned the Hostess, Wonder Bread, Nature's Pride, Dolly Madison, Butternut Breads, and Drake's brands.
Document 11: Thomas Tomlinson Cussons: Thomas Tomlinson Cussons (1838–1927) born in Kingston upon Hull, England. Son of George Cussons and his wife Jane Cussons (née Moss). Thomas was the Chairman of the British soap manufacturing company Cussons & Son. Thomas established the 'Cussons' brand which has become one of the largest personal care brands in Britain.
Document 12: Nivea: Nivea (] ) is a German personal care brand that specializes in skin- and body-care. It is owned by the Hamburg-based company Beiersdorf Global AG. The company was founded on March 28, 1882, by pharmacist Paul Carl Beiersdorf. In 1890, it was sold to Oscar Troplowitz. Troplowitz kept working with his scientific consultant Paul Gerson Unna and the German chemist Isaac Lifschütz on a new skin care cream. In 1900, Lifschütz developed a water-in-oil emulsion as a skin cream with Eucerit, the first stable emulsion of its kind. This was the basis for Eucerin and, later, Nivea. "Nivea" comes from the Latin word "niveus/nivea/niveum", meaning "snow-white".
Document 13: Procter &amp; Gamble: Procter & Gamble Co., also known as P&G, is an American consumer goods corporation headquartered in downtown Cincinnati, Ohio, United States of America, founded in 1837 by William Procter and James Gamble. It primarily specializes in a wide range of cleaning agents, personal care and hygienics products.
Document 14: Leverhulme Trust: The Leverhulme Trust ( ) is a large national grant-making foundation in the United Kingdom. It was established in 1925 under the will of William Lever, 1st Viscount Leverhulme, with the instruction that its resources should be used to support "scholarships for the purposes of research and education."
Document 15: Dimension (shampoo): Dimension Shampoo was a heavily perfumed shampoo product, which was produced in the early 1980s. This was by the personal products division of Lever Brothers, and marketed by Ogilvy. The shampoo came in a distinctive dark yellow bottle, and left a strong muskone and civetone aroma on the hair. There was also a companion conditioner marketed with this product. It has been stated by many previous users of Dimension shampoo that it caused their hair to fall out, due to the extreme astringency of the product.
ground_truth: 1885