What is the fine-grained topic of the following text: Sunday will also feature “The King’s Grill Great British Barbecue” by the Mercure Hotel; The Keys showing how to make the perfect Sunday roast; Restaurant Celebrus and Catalins Wine showing how to pair food and drink; and a “Cocktail Off” showdown between The Keys, Mercure Hotel, Restaurant Celebrus and Voodoo. Only return the topic.
Food and Drink Events