 
 <prompt> Wetin the wort go do the small vat wey full with hops? Given the previous question, write a context wey contain the answer. E fit be 1 - 20 sentences. Context: <response>: "After boiling, the hopped wort don cool, e dey ready for the yeast. For some breweries, the hopped wort fit pass through a hopback, wey be small vat wey full with hops, to add aroma hop flavour and to act as filter; but usually the hopped wort just dey cool for the fermenter, where the yeast dey add. During fermentation, the wort dey turn beer for process wey fit take one week to months depending on the type of yeast and strength of the beer. Apart from producing ethanol, fine particulate matter wey dey suspended for the wort dey settle during fermentation. Once fermentation don complete, the yeast go settle too, e go leave the beer clear." 