Question: Are Cordoba Fighting Dog and Portuguese Water Dog both examples of dog breeds?

Context articles: Sunny (dog)
Tweed Water Spaniel
Tugou
Dogo Argentino
Bo (dog)
Cordoba Fighting Dog
FCI Retriever, Flushing Dog and Water Dog Group
Portuguese Water Dog
Grief therapy dog
Spanish Water Dog

Sunny (born June 11, 2012) is a pet dog of the Obama family, the former First Family of the United States.
 Sunny is a female Portuguese Water Dog, who has been called the younger sister of Bo, who held the title of First Dog of the United States.
 Sunny was introduced via First Lady Michelle Obama's Twitter account on August 19, 2013.
The Tweed Water Spaniel, or Tweed Spaniel, is a breed of dog extinct since the 19th century.
 It is best known for being involved in the early development of the modern Curly Coated Retriever and Golden Retriever breeds of dogs.
 They were described as a generally brown athletic dogs from the area around Berwick-upon-Tweed near the River Tweed and close to the Scottish Borders.
 A type of water dog, the breed was not well known outside the local area.
 This breed may have been created by crossing local water dogs with imported St. John's water dog, another breed which is also now extinct.
Tugou (土狗, pinyin: "tǔ gǒu"), literally means Native Dog in Mandarin Chinese, is the general name for several dog breeds originated from China and still abundantly exists across the country today.
 Tugou includes the most popular Chinese dog breed - the Chinese Field Dog (, pinyin: "zhōng huá tián yuán quǎn"), Chinese Chongqing Dog, Xiasi Dog, and several other native dog breeds distributed across China.
 They are roughly 45–50 cm tall at the shoulder.
The Dogo Argentino, also known as the Argentine Mastiff, is a large, white, muscular dog that was developed in Argentina primarily for the purpose of big-game hunting, including wild boar; the breeder, Antonio Nores Martínez, also wanted a dog that would exhibit steadfast bravery and willingly protect its human companion.
 It was first bred in 1928, from the Cordoba Fighting Dog along with a wide array of other breeds including the Great Dane.
Bo (born October 9, 2008) is a pet dog of the Obama family, the former First Family of the United States.
 Bo is a male Portuguese Water Dog.
 President Barack Obama and his family were given the dog as a gift after months of speculation about the breed and identity of their future pet.
 The final choice was made in part because Malia Obama's allergies dictated a need for a hypoallergenic breed.
 Bo has occasionally been called "First Dog".
 In August 2013, Bo was joined by Sunny, a female dog of the same breed.
The Cordoba Fighting Dog is an extinct breed of fighting dog.
 The Cordoba was a crossbreed of Mastiff, Bull Terrier, Bulldog, and Boxer.
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 Its temperament includes being very fierce, very aggressive,
The Retriever, Flushing Dog and Water Dog Group is a designation used only by the Fédération Cynologique Internationale for a group of dog breeds consisting of Retrievers, Flushing Dogs and Water Dogs.
The Portuguese Water Dog is a breed of working dog as classified by the American Kennel Club.
 Portuguese Water Dogs are originally from the Portuguese region of the Algarve, from where the breed expanded to all around Portugal's coast, where they were taught to herd fish into fishermen's nets, to retrieve lost tackle or broken nets, and to act as couriers from ship to ship, or ship to shore.
A grief therapy dog (also known as an emotional support dog, companion dog, or comfort dog) is a form of animal-assisted therapy.
 Dogs have been proven to be able to assist people in overcoming grief, which has led to a recent rise in the use of therapy dogs; although animal-assisted therapy theory has been around since World War II.
 Grief therapy dogs can be found in locations such as funeral homes, hospitals, nursing homes, schools, and hospices, and may provide support in situations such as funeral services, counseling sessions, and disaster relief.
 Popular breeds used as therapy dogs include the Portuguese Water Dog, Bernese Mountain Dog, St. Bernard, and Golden Retriever.
The Spanish Water Dog (perro de agua español ) breed dates back several hundred years and has its origins most likely in Turkey from where it was imported into Spain as a general purpose sheepdog and guard.
 It is also used sometimes as a gundog, and is skilled at retrieval from water.
 The SWD has strong genetic links to other ancient water breeds such as the Portuguese Water Dog, the French Barbet and the Irish Water Spaniel.