Britvic Drench or similar lemon soft drink, let's identify as Britvic Lift or R. Whites Lemonade based on Britvic plc text. Wait, the text says Britvic Soft Drinks Ltd and shows a yellow label with town graphics, typical for R. White's Lemonade.

R. White's Lemonade is a well-known British brand of lemonade originally founded in 1845 by Robert and Mary White in London, England. The brand grew to become a household name in the United Kingdom, famously recognized for its classic traditional recipe and memorable advertising campaigns. Today, R. White's is owned and produced by Britvic plc, a major British soft drinks manufacturer and distributor. Britvic manufactures various products locally in the UK and Ireland, supplying major supermarkets and retail outlets across the region. The ultimate parent company, Britvic plc, operates as an independent British public company listed on the London Stock Exchange, though Carlsberg Marston's Brewing Company acquired Britvic recently.