Information: - Line. Until December 27, 2008, the station was also served by the Monkey Park Monorail Line. - The Meitetsu Monkey Park Monorail Line ( Meitetsu Monk Pku Monorru - sen ) was a monorail in Inuyama , Aichi that connected the Japan Monkey Park to Inuyama - yen Station , operated by Nagoya Railroad ( Meitetsu ) . The line featured steep sections , including one 9.7 % grade , and traveled through an artificial canyon for a section . The trip took about four minutes . - A monorail is a railway in which the track consists of a single rail. The term is also used to describe the beam of the system, or the vehicles traveling on such a beam or track. The term originates from joining "mono" (one) and "rail" (rail), from 1897, possibly from German engineer Eugen Langen, who called an elevated railway system with wagons suspended the "Eugen Langen One-railed Suspension Tramway" (Einschieniges Hangebahnsystem Eugen Langen). - Carl Eugen Langen (9 October 1833 2 October 1895) was a German entrepreneur, engineer and inventor, involved in the development of the petrol engine and the Wuppertal monorail. In 1857 he worked in his father's sugar factory, JJ Langen & Sohne, after an extensive technical training at the Polytechnic institute in Karlsruhe, patenting a method for producing sugar cubes, which was purchased in 1872 by Sir Henry Tate of England, noted for establishing the Tate Gallery, London. After reading the paragraphs above, choose the best answer for the entity that related to 'monkey park monorail line' with the relationship of 'instance of'. Choices: - december - england - factory - four - line - method - monkey - monorail - october - park - petrol engine - railway system - single - station - track - training
railway system

(Question)
Information: - Mercedes-Benz is a global automobile manufacturer and a division of the German company Daimler AG. The brand is known for luxury vehicles, buses, coaches, and trucks. The headquarters of Mercedes-Benz are in Stuttgart, Baden-Wurttemberg, Germany. - The Association of Tennis Professionals (ATP) was formed in September 1972 by Donald Dell, Bob Briner, Jack Kramer, and Cliff Drysdale to protect the interests of male professional tennis players. Drysdale became the first President. Since 1990, the association has organized the worldwide tennis tour for men and linked the title of the tour with the organization's name. In 1990 the organization was called the ATP Tour, which was renamed in 2001 as just ATP and the tour being called ATP Tour. In 2009 the name was changed again and is now known as the ATP World Tour. It is an evolution of the tour competitions previously known as Grand Prix tennis tournaments and World Championship Tennis (WCT). - Felt is a textile that is produced by matting, condensing and pressing fibers together. Felt can be made of natural fibers such as wool, or from synthetic fibers such as petroleum-based acrylic or acrylonitrile or wood pulp-based rayon. Blended fibers are also common. - The ATP Masters Series was a series of nine tennis tournaments that formed part of the men's Association of Tennis Professionals (ATP) tour, held annually throughout the year in Europe, North America. The tournaments were important for the top male players on the professional circuit as the series constituted the most prestigious tournaments in men's tennis after the four Grand Slam events. The events were known as the Championship Series, Single Week from 1990 to 1995, the Mercedes-Benz Super 9 from 1996 to 1999, the Tennis Masters Series from 2000 to 2004 and the ATP Masters Series until 2008. - Tennis is a racket sport that can be played individually against a single opponent (singles) or between two teams of two players each (doubles). Each player uses a tennis racket that is strung with cord to strike a hollow rubber ball covered with felt over or around a net and into the opponent's court. The object of the game is to play the ball in such a way that the opponent is not able to play a valid return. The player who is unable to return the ball will not gain a point, while the opposite player will. - The ATP Tour is the elite tour for professional tennis organised by the ATP . The ATP Tour includes the four Grand Slam tournaments , the Tennis Masters Cup , the ATP Masters Series , the International Series Gold and the International Series tournaments . After reading the paragraphs above, choose the best answer for the entity that related to '2004 atp tour' with the relationship of 'instance of'. Choices: - association - atp world tour - automobile - cliff - company - court - division - four - headquarters - jack - manufacturer - name - object - organization - part - point - professional - september - series - single - strike - tennis - textile - two - year
(Answer)
atp world tour