Question: Estrela Mountain Dog and Clumber Spaniel, are a breed of what?

full_context: Document 1: Curly Coated Retriever: The Curly Coated Retriever (often referred to as a Curly) is a breed of dog originally bred in England for upland bird and waterfowl hunting. It is the tallest of the retrievers and is easily distinguishable by the mass of tight curls covering its body. Curly Coated and Wavy Coated (now known as the Flat-Coated Retriever) were the first two recognised retriever breeds, established as early as 1860.
Document 2: Cavalier King Charles Spaniel: The Cavalier King Charles Spaniel is a small spaniel classed as a toy dog by The Kennel Club and the American Kennel Club. It originated in the United Kingdom and is one of the more popular breeds in many countries. Since 2000, it has grown in popularity in the United States and ranks as the 18th most popular pure-breed in the United States (2013 Registration Statistics). It has a silky, smooth coat and commonly a smooth undocked tail. The breed standard recognizes four colours: Blenheim (chestnut and white), Tricolor (black/white/tan), Black and Tan, and Ruby. The breed is generally friendly, affectionate and good with both children and other animals; however, they require a lot of human interaction. Since they are a family dog, it is recommended to not leave them alone for long periods at a time. The expected average lifespan of a Cavalier King Charles Spaniel is under ten years.
Document 3: Estrela Mountain Dog: The Estrela Mountain Dog is a large breed of dog which has been used for centuries in the Estrela Mountains of Portugal to guard herds and homesteads.
Document 4: Bernese Mountain Dog: The Bernese Mountain Dog (German: "Berner Sennenhund" ) is a large-sized breed of dog, one of the four breeds of Sennenhund-type dogs from the Swiss Alps. The name "Sennenhund" is derived from the German "Senne" ("alpine pasture") and "Hund" ("dog"), as they accompanied the alpine herders and dairymen called "Senn". "Berner" (or "Bernese" in English) refers to the area of the breed’s origin, in the canton of Bern. This mountain dog was originally kept as a general farm dog. Large Sennenhunde in the past were also used as draft animals, pulling carts. The breed was officially established in 1907. In 1937, the American Kennel Club recognized it; today, the club classifies it as a member of the Working Group.
Document 5: Mountain Cur: The Mountain Cur is a type of working dog that is bred specifically for treeing and trailing small game, like squirrel and raccoons. They are also used for hunting and baying big game like bear and wild boar as well as being an all-purpose farm dog. Curs are a member of the Hound group, and the Mountain Cur is one of several varieties of cur. It can also be used as a water dog. Mainly bred in Ohio, Kentucky, Virginia, and Tennessee, it has been registered with the United Kennel Club since 1998. The Mountain Cur Breeder's Association was formed in 1957.
Document 6: Clumber Spaniel: The Clumber Spaniel is a breed of dog of the spaniel type, developed in the United Kingdom. It is the largest of the spaniels, and comes in predominantly white with either lemon or orange markings, but can sometimes be either brown or lemon predominantly. The name of the breed is taken from Clumber Park in Nottinghamshire where the breed was first developed. It is a gundog that specialises in hunting in heavy cover. They are gentle and loyal, and can act aloof with strangers. They have several habits which could be considered disadvantages, including a constant shedding of its coat and snoring.
Document 7: Montenegrin Mountain Hound: The Montenegrin Mountain Hound is a rare dog breed from the mountain regions across the Balkans. Black and tan, with a smooth coat, the Montenegrin Mountain Hound was called "Black Hound" in the past. The breed is of the same origin as the other Balkan hounds. He stands 18 to high and weighs 44 to . The breed is used to hunt fox, hare, and small game, occasionally hunting larger animals such as deer or even wild boar.
Document 8: Welsh Springer Spaniel: The Welsh Springer Spaniel is a breed of dog and a member of the spaniel family. Thought to be comparable to the old Land Spaniel, they are similar to the English Springer Spaniel and historically have been referred to as both the Welsh Spaniel and the Welsh Cocker Spaniel. They were relatively unknown until a succession of victories in dog trials by the breed increased its popularity. Following recognition by The Kennel Club in 1902, the breed gained the modern name of Welsh Springer Spaniel. The breed's coat only comes in a single colour combination of white with red markings, usually in a piebald pattern. Loyal and affectionate, they can become very attached to family members and are wary of strangers. Health conditions are limited to those common among many breeds of dog, although they are affected more than average by hip dysplasia and some eye conditions. They are a working dog, bred for hunting, and while not as rare as some varieties of spaniel, they are rarer than the more widely known English Springer Spaniel with which they are sometimes confused.
Document 9: Great Pyrenees: The Pyrenean Mountain Dog, known as the Great Pyrenees in North America, is a large breed of dog used as a livestock guardian dog. It should not be confused with the Pyrenean Mastiff.
Document 10: Newfoundland (dog): The Newfoundland dog is a large working dog. They can be either black, brown, or white-and-black (called Landseer). However, in Canada, the country of their origin, the only correct colours are either black or Landseer. They were originally bred and used as a working dog for fishermen in the Dominion of Newfoundland (which is now part of Canada). They are known for their giant size, intelligence, tremendous strength, calm dispositions, and loyalty. Newfoundland dogs excel at water rescue/lifesaving because of their muscular build, thick double coat, webbed feet, and innate swimming abilities.
Document 11: Maremma Sheepdog: The Maremma Sheepdog, in Italian Cane da pastore Maremmano-Abruzzese, is a breed of livestock guardian dog indigenous to central Italy, particularly to Abruzzo and the Maremma region of Tuscany and Lazio. It has been used for centuries by Italian shepherds to guard sheep from wolves. The literal English translation of the name is "The dog of the shepherds of the Maremma and Abruzzese region". The English name of the breed derives from that of the Maremma marshlands, where until recently shepherds, dogs and hundreds of thousands of sheep over-wintered, and where the breed is today abundant although sheep-farming has decreased substantially. The breed is widely employed in Abruzzo, where sheep herding remains vital to the rural economy and the wolf remains an active and protected predator. Similar breeds include the Pyrenean Mountain Dog, the Kuvasz of Hungary, the Tatra of Poland, the Cuvac of Slovakia and the Šarplaninac (although not white), with all of which it may share a common ancestor; and the Akbash Dog of Turkey.
Document 12: Sussex Spaniel: The Sussex Spaniel is a breed of dog developed in Sussex in southern England. It is a low, compact spaniel and is similar in appearance to the Clumber Spaniel. They can be slow-paced, but can have a clownish and energetic temperament. They suffer from health conditions common to spaniels and some large dogs, as well as a specific range of heart conditions and spinal disc herniation.
Document 13: Fila Brasileiro: The Fila Brasileiro (] ) also known as the Brazilian Mastiff is a large working breed of dog developed in Brazil. It is known for its superb tracking ability, aggressiveness and an unforgiving impetuous temperament. When a Brazilian Mastiff finds its quarry, it does not attack it, but rather holds it at bay until the hunter arrives. Owing to these qualities, the Brazilian Mastiff is used as a guard dog, as a shepherd dog for herding livestock and as a hunting dog for tracking and controlling large prey. When slavery was legal in Brazil, the Brazilian Mastiff was used to return fugitives unharmed to their slave masters. This breed has been banned in many countries because of its temperament and potential for aggression.
Document 14: Pyrenean Shepherd: The Pyrenean Shepherd (known in France originally, and also in non-AKC registries such as the UKC, as the Berger des Pyrénées, and in Spain as the Pastor de los Pirineos) is a medium-small breed of dog native to the Pyrenees mountains in southern France and northern Spain, bred since at least medieval times for herding livestock, especially sheep. It worked as an active herder together with the Great Pyrenees, another mountain dog, which acted as the flock's guardian.
Document 15: English Springer Spaniel: The English Springer Spaniel is a breed of gun dog in the Spaniel family traditionally used for flushing and retrieving game. It is an affectionate, excitable breed with a typical lifespan of twelve to fourteen years. They are very similar to the Welsh Springer Spaniel and are descended from the Norfolk or Shropshire Spaniels of the mid-19th century; the breed has diverged into separate show and working lines. The breed suffers from average health complaints. The show-bred version of the breed has been linked to "rage syndrome", although the disorder is very rare. It is closely related to the Welsh Springer Spaniel and very closely to the English Cocker Spaniel; less than a century ago, springers and cockers would come from the same litter. The smaller "cockers" hunted woodcock while the larger littermates were used to flush, or "spring," game. In 1902, The Kennel Club recognized the English Springer Spaniel as a distinct breed. They are used as sniffer dogs on a widespread basis. The term "Springer" comes from the historic hunting role, where the dog would flush (spring) birds into the air.
ground_truth: dog