Please answer the following question: Information: - A breed is a specific group of domestic animals having homogeneous appearance (phenotype), homogeneous behavior, and/or other characteristics that distinguish it from other organisms of the same species. Breeds are formed through genetic isolation and either natural adaptation to the environment or selective breeding, or a combination of the two. Despite the centrality of the idea of "breeds" to animal husbandry and agriculture, no single, scientifically accepted definition of the term exists. A breed is therefore not an objective or biologically verifiable classification but is instead a term of art amongst groups of breeders who share a consensus around what qualities make some members of a given species members of a nameable subset. - Canada (French: ) is a country in the northern half of North America. Its ten provinces and three territories extend from the Atlantic to the Pacific and northward into the Arctic Ocean, covering , making it the world's second-largest country by total area and the fourth-largest country by land area. Canada's border with the United States is the world's longest land border. The majority of the country has a cold or severely cold winter climate, but southerly areas are warm in summer. Canada is sparsely populated, the majority of its land territory being dominated by forest and tundra and the Rocky Mountains. About four-fifths of the country's population of 36 million people is urbanized and live near the southern border. Its capital is Ottawa, its largest city is Toronto; other major urban areas include Montreal, Vancouver, Calgary, Edmonton, Quebec City, Winnipeg and Hamilton. - The Thoroughbred is a horse breed best known for its use in horse racing. Although the word "thoroughbred" is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed. Thoroughbreds are considered "hot-blooded" horses that are known for their agility, speed and spirit. - Rainbows For Life ( 1988 -- September 1 , 2012 ) was a Canadian Thoroughbred racehorse . Bred and raced by Sam - Son Farm , he was trained by Olympic Gold Medalist and Canadian Horse Racing Hall of Fame inductee , Jim Day . A multiple Graded stakes race winner who competed successfully on both grass and dirt , Rainbows For Life won three Sovereign Awards for racing . Sold to Czech Republic breeders , he was the Leading sire in the Czech Republic in 1999 , 2004 , 2005 , 2006 , and the Leading sire in Slovakia in 1999 . He also stood at stud in Australia , but with limited success . Rainbows for Life was euthanized in the Czech Republic on September 1 , 2012 due to the infirmities of old age . He was 24 . - The Canadian Horse Racing Hall of Fame was established in 1976 to honor those who have made a significant contribution to the sport of harness and thoroughbred horse racing in Canada. It is located at Woodbine Racetrack in Toronto, Ontario. - or "cultivars" of an animal species, achieved through the process of selective breeding. When the lineage of a purebred animal is recorded, that animal is said to be "pedigreed". - Thoroughbred horse racing is a worldwide sport and industry involving the racing of Thoroughbred horses. It is governed by different national bodies. There are two forms of the sport: Flat racing and jump racing, called National Hunt racing in the UK and steeplechasing in the US. Jump racing can be further divided into hurdling and steeplechasing. - Ocala is a city located in Northern Florida. As of the 2013 census, its population, estimated by the United States Census Bureau, was 57,468, making it the 45th most populated city in Florida. - Woodbine Racetrack is a Canadian race track for thoroughbred and standardbred racing at 555 Rexdale Blvd. in the city of Toronto, Ontario formerly in Etobicoke. It is the only horse racing track in North America which stages, or is capable of staging, thoroughbred and standardbred horse racing programs on the same day. However its sister track, Mohawk Raceway located in Campbellville, Ontario hosts most of the major standardbred races in the summer. It is owned by Woodbine Entertainment Group, formerly known as the Ontario Jockey Club. - Milton (2011 census population 84,362) is a town in Southern Ontario, Canada, and part of the Halton Region in the Greater Toronto Area. Between 2001 and 2006 Milton was the fastest growing municipality in the Greater Golden Horseshoe, with a 71.4% increase in population. In early 2014, Milton's population is estimated to be 102,000 with an estimated growth to 228,000 by 2031. - Sam-Son Farm is a Thoroughbred horse racing stable with farms located in Milton, Ontario, Canada and Ocala, Florida. Originating in the 60's by Ernie Samuel, it began as a home for competition hunter/jumper horses. One Sam-Son horse, Canadian Club won the 1967 Pan-American Games Individual Jumping Gold medal and was a member of the 1968 Team Gold Medal for Canada at the Mexico Olympics ridden by Jim Day. Sam-Son continued to send entries to International show jumping, dressage and three ay venting events including the 1972 and 1976 Olympics and thereafter. In 1971 it became home to its first Thoroughbred race horse and officially entered racing in 1972. - Horse racing is an equestrian performance sport, involving two or more jockeys riding horses over a set distance for competition. It is one of the most ancient of all sports and its basic premise to identify which of two or more horses is the fastest over a set course or distance has remained unchanged since the earliest times. Given the information above, choose from the list below the object entity that exhibits the relation 'instance of' with the subject 'rainbows for life'. Choices: - animal - animal husbandry - area - art - behavior - border - breed - capital - census - city - competition - country - course - day - distance - environment - farm - four - hall - horse - idea - industry - jumping - lineage - member - municipality - people - population - process - race horse - race track - racing - set - single - sport - subset - team - term - territory - thoroughbred - three - town - track - word
Answer:
race horse