Information: - The Union Cycliste Internationale, commonly known by the acronym UCI, is the world governing body for sports cycling and oversees international competitive cycling events. The UCI is based in Aigle, Switzerland. - A mountain bike or mountain bicycle (abbreviated Mtn Bike, MTB; or ATB, for all-terrain bicycle) is a bicycle designed for off-road cycling. Mountain bikes share similarities with other bikes, but incorporate features designed to enhance durability and performance in rough terrain. These typically include suspension on the frame and fork, large knobby tires, more durable heavy duty wheels, more powerful brakes, and lower gear ratios needed for steep grades with poor traction. - Mountain bike racing (shortened MTB or ATB racing) is a competitive cycle sport held on off-road terrain. The Union Cycliste Internationale (UCI) recognised the discipline relatively late in 1990, when it sanctioned the world championships in Durango, Colorado. The first UCI Mountain Bike World Cup series took place in 1988. Its nine-race circuit covered two continentsEurope and North Americaand was sponsored by Grundig. Cross-country racing was the only World Cup sport at this time. In 1993, a six-event downhill World Cup was introduced. In 1996, cross-country mountain biking events were added to the Olympic Games. In 2006, cross-country mountain biking events became part of the World Deaf Cycling Championships for the first time in San Francisco, USA. - Cycle sport is competitive physical activity using bicycles. There are several categories of bicycle racing including road bicycle racing, time trialling, cyclo-cross, mountain bike racing, track cycling, BMX, and cycle speedway. Non-racing cycling sports include artistic cycling, cycle polo, freestyle BMX and mountain bike trials. The Union Cycliste Internationale (UCI) is the world governing body for cycling and international competitive cycling events. The International Human Powered Vehicle Association is the governing body for human-powered vehicles that imposes far fewer restrictions on their design than does the UCI. The UltraMarathon Cycling Association is the governing body for many ultra-distance cycling races. - Dual slalom is an older mountain bike racing discipline similar to 4X racing . It consists of two racers racing two almost identical tracks next to each other down a slope . The courses are usually short ; one run lasting about 30 seconds . It is filled with tabletop jumps , doubles and bermed turns . Both riders ' times are taken and then they switch tracks for another round , whereafter the combined times are counted and slowest rider is eliminated . The winner moves on to the next round until they have 2 riders left racing in the final . The first dual slalom race occurred at Mammoth Mountain , California , in 1987 . In the first few heats , the fastest riders were pitted against the slowest , thus eliminating the slowest riders almost immediately . Greg Herbold won the 1988 inaugural Dual Slalom . In 1988 , Jimmy Deaton and John Tomac were the last male riders to compete , with Tomac emerging as the winner . What object entity has the relation of 'sport' with the subject 'dual slalom'? Choices: - cycle sport - cycling - mountain biking - track cycling - ultramarathon
mountain biking
Q: Information: - Nizhny Novgorod, colloquially shortened to Nizhny, is a city in the administrative center of Nizhny Novgorod Oblast and Volga Federal District in Russia. From 1932 to 1990, it was known as Gorky, after the writer Maxim Gorky, who was born there. The city is an important economic, transportation, scientific, educational and cultural center in Russia and the vast Volga-Vyatka economic region, and is the main center of river tourism in Russia. In the historical part of the city there are a large number of universities, theaters, museums and churches. Nizhny Novgorod is located about 400km east of Moscow, where the Oka empties into the Volga. Population: - A personal assistant, also referred to as personal aide (PA) or personal secretary (PS), is a job title describing a person who assists a specific person with their daily business or personal tasks. - Count (male) or countess (female) is a title in European countries for a noble of varying status, but historically deemed to convey an approximate rank intermediate between the highest and lowest titles of nobility. The word "count" came into English from the French "comte", itself from Latin "comes"in its accusative "comitem"meaning companion, and later companion of the emperor, delegate of the emperor. The adjective form of the word is "". The British and Irish equivalent is an earl (whose wife is a "countess", for lack of an English term). Alternative names for the "count" rank in the nobility structure are used in other countries, such as "Graf" in Germany and "Hakushaku" during the Japanese Imperial era. - Count Lev Nikolayevich Tolstoy (; ), usually referred to in English as Leo Tolstoy, was a Russian writer who is regarded as one of the greatest authors of all time. - Russia (from the Rus'), also officially known as the Russian Federation, is a country in Eurasia. At , Russia is the largest country in the world by surface area, covering more than one-eighth of the Earth's inhabited land area, and the ninth most populous, with over 140million people at the end of March 2016. The European western part of the country is much more populated and urbanised than the eastern, about 77% of the population live in European Russia. Russia's capital Moscow is one of the largest cities in the world, other major urban centers include Saint Petersburg, Novosibirsk, Yekaterinburg, Nizhny Novgorod and Samara. - Countess Alexandra ( Sasha ) Lvovna Tolstaya ( Russian : ; 18 July 1884 -- 26 September 1979 ) was the youngest daughter and secretary of the noted Russian novelist Leo Tolstoy . Although Alexandra Lvovna shared with her father the doctrine of non-violence , she felt it was her duty to take part in the events of World War I. For her courage , the Russian government awarded her three St George Medals and the rank of colonel . The Bolsheviks imprisoned Alexandra in 1920 , but she was installed as the director of the Tolstoy museum in Yasnaya Polyana the next year . She left the Soviet Union in 1929 , and settled in the United States , where she founded the Tolstoy Foundation . She became a naturalized U.S. citizen in 1941 . In later years , she helped many Russian intellectuals ( notably Vladimir Nabokov and Sergei Rachmaninoff ) to escape Bolshevik persecution and to settle in America . - A secretary or personal assistant is a person whose work consists of supporting management, including executives, using a variety of project management, communication, or organizational skills. These functions may be entirely carried out to assist one other employee or may be for the benefit of more than one. In other situations a secretary is an officer of a society or organization who deals with correspondence, admits new members, and organizes official meetings and events. What object entity has the relation of 'occupation' with the subject 'alexandra tolstaya'? Choices: - count - nobility - noble - officer - personal assistant - secretary - writer
A: writer