Context: 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. , Glostrup is a Danish town in Region Hovedstaden, forming one of the western suburbs of Copenhagen. It is the administrative seat of Glostrup Municipality, with an estimated population of 22,357 ., Michael Mortensen ( born 12 March 1961 , in Glostrup , Denmark ) , is a former professional tennis player from Denmark . Mortensen achieved a career - high doubles ranking of World No. 34 in 1988 and a career - high singles ranking of World No. 301 in 1984 . Mortensen won five career ATP doubles titles . Mortensen participated in 22 Davis Cup ties for Denmark from 1979 to 1990 , posting an 11 -- 13 record in doubles and a 12 -- 14 record in singles . Mortensen subsequently became a coach . Among players he coached was the WTA top 10 Player and Chinese No. 1 Li Na who won the 2011 French Open Women 's Singles title under Mortensen ., 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., Copenhagen (, ); ) is the capital and most populated city of Denmark. It has a municipal population of 591,481 and a larger urban population of 1,280,371. The Copenhagen metropolitan area has just over 2 million inhabitants. The city is situated on the eastern coast of the island of Zealand; another small portion of the city is located on Amager, and is separated from Malmö, Sweden, by the strait of Øresund. The Øresund Bridge connects the two cities by rail and road., Glostrup Kommune is a suburban municipality (Danish "kommune") and town in Region Hovedstaden on the island of Zealand ("Sjælland") approx. 10 km west of Copenhagen in eastern Denmark. The municipality covers an area of 13.31 km², and has a total population of 22,151 (1 April 2014). Its Zip code ("Postnummer") is 2600. Its mayor as of 2010 is John Engelhardt, a member of the Liberal Party ("Venstre") political party. The municipality was established in 1841 following the municipal reforms of the 1840s, ranking as a parish municipality (sognekommune) until 1950 when suburbanisation of Copenhagen inhabited the municipality and the status was changed to town municipality (købstadskommune). From 1947 to 1960 the population in the municipality doubled due to the expanding suburbs of Copenhagen, reaching the municipality in the post-war period. Glostrup was designated as a new suburb along the western Tåstrup-finger of the Copenhagen Finger Plan of 1947., Subject: michael mortensen, Relation: place_of_birth, Options: (A) copenhagen (B) court (C) denmark (D) glostrup (E) glostrup municipality (F) island (G) liberal (H) made (I) malmö (J) of (K) parish
Output: glostrup municipality