Question: Schipperke and Terceira Mastiff, are a breed of what?

Context paragraphs:
Mastiff: Mastiff type means a large molosser dog.  The term "mastiff type" has been used synonymously with the term "molosser".  For example, the bulldog breeds, the Great Dane, the mountain dogs, the pit bulls and even smaller dogs such as the Boston terrier, may be considered "mastiff types" in this broad sense.  The descriptive term, mastiff type, should not be confused with the breed, the Mastiff.  All breeds are individual and should be referred to by their breed name to ensure correct identification.

English Mastiff: The English Mastiff is a breed of extremely large dog (often known simply as the Mastiff) perhaps descended from the ancient Alaunt and Pugnaces Britanniae, with a significant input from the Alpine Mastiff in the 19th century.  Distinguishable by enormous size, massive head, and a limited range of colours, but always displaying a black mask, the Mastiff is noted for its gentle and loving nature.  The lineage of modern dogs can be traced back to the early 19th century, but the modern type was stabilised in the 1880s and refined since.  Following a period of sharp decline, the Mastiff has increased its worldwide popularity.  Throughout its history, the Mastiff has contributed to the development of a number of dog breeds, some generally known as Mastiff-type dogs, or, confusingly, just as "Mastiffs".

Nature Park of Terceira: The Nature Park of Terceira (Portuguese: "Parque Natural de Terceira" , or simply the "Terceira Nature Park" (PNTER) developed from the intention of better managing the protected areas of the island of Terceira, and was instituted by the "Secretaria Regional do Ambiente e do Mar" (English: Regional Secretariate for the Environment and Oceans ), of the Autonomous Regional Government of the Azores.  It includes an area of approximately 22% of the island classified under the International Union for Conservation of Nature's Nature Reserve designation.

Terceira Rift: The Terceira Rift is a geological rift located amidst the Azores islands in the Atlantic Ocean.  It runs between the Azores Triple Junction to the west and the Azores–Gibraltar Transform Fault to the southeast.  It separates the Eurasian Plate to the north from the African Plate to the south.  The Terceira Rift is named for Terceira Island through which it passes.

Schipperke: A Schipperke ( ; ] ) is a small Belgian breed of dog that originated in the early 16th century.  There has been a long informal debate over whether this type of dog is a spitz or miniature sheepdog.  In their home country of Belgium they are considered a small shepherd.

Francisco Ferreira Drummond: Francisco Ferreira Drummond (21 January 1796 – 9 November 1858) was a historian, palaeograph, musician and politician from a locality of Vila de São Sebastião on the island of Terceira, the Portuguese Azores.  He was a historic publisher occupying a better part of his work with documenting the History of the Azores (primarily from the island of Terceira), where he was responsible for writing the "Anais da Ilha Terceira" ('Annals of the island of Terceira').

Terceira Mastiff: The Terceira Mastiff (Portuguese: ] ) is a landrace Portuguese dog breed, also known as the Rabo Torto ("rabo"=tail, "torto"=curled/twisted).  Neither the Fédération Cynologique Internationale nor the local Clube Português de Canicultura has officially recognized it.  It is a remarkable ancestor to both the Cão Fila de São Miguel and the Fila Brasileiro .  This breed is fully different from the Barbado da Terceira

Historical Institute of Terceira: The Historical Institute of Terceira, or literally the "Historical Institute of the Island of Terceira" (Portuguese: "Instituto Histórico da Ilha Terceira" ), or IHIT, is a private association and cultural institute, dedicated to the investigation and studying of the islands of the Azores.  The institute is headquartered in the classical "Convent of São Francisco ("Convent of Saint Francis of Assis") in Angra do Heroísmo.

Duke of Terceira Garden: Duke of Terceira Garden (Portuguese: "Jardim Duque da Terceira" ) is a manicured garden in the historical centre of Angra do Heroísmo, on the island of Terceira in the Portuguese archipelago of the Azores.  One of the classic gardens emblematic of the Romantic period of Portuguese history, it is part of the municipal gardens of the city of Angra (located within the civil parish of Nossa Senhora da Conceição.

Barbado da Terceira: The Barbado da Terceira is a medium-sized dog, with a volumous and robust look.  The Barbado da Terceira is the most recently recognized Portuguese breed.  The Portuguese Kennel Club (CPC) recognized it, on a provisional basis, on November 2004; it is not yet recognized by The Fédération Cynologique Internationale (FCI).  It is a population native to the Azores Islands, in particular the Terceira Island.

Supporting paragraphs: Schipperke Terceira Mastiff
Answer: breed