Information:  - Single skating is a discipline of figure skating in which male and female skaters compete individually. Men's singles and ladies' singles are both Olympic disciplines and are both governed by the International Skating Union, along with the other Olympic figure skating events, pair skating and ice dancing. Single skaters perform jumps, spins, step sequences, spirals, and other moves in the field as part of their competitive programs.  - The Karl Schäfer Memorial (other titles: Asko Cup (1987), Vienna Cup (1994), or Vienna Trophy) was a senior-level international figure skating competition held in Vienna, Austria. Medals were awarded in four disciplines: men's singles, ladies' singles, pair skating, and ice dancing.  - 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 140 million 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.  - Andrei Nikolayevich Maximishin (born 20 December 1984) is a Russian former competitive ice dancer. With Anastasia Platonova, he is the 2006 Karl Schäfer Memorial silver medalist and won three gold medals on the ISU Junior Grand Prix series.   - The ISU Junior Grand Prix of Figure Skating (titled the ISU Junior Series in the 199798 season) is a series of international junior-level competitions organized by the International Skating Union. Medals are awarded in the disciplines of men's singles, ladies' singles, pair skating, and ice dancing. The series was inaugurated in 1997 to complement the senior-level ISU Grand Prix of Figure Skating. Skaters earn qualifying points at each Junior Grand Prix event and the six highest-ranking qualifiers meet at the ISU Junior Grand Prix Final, which is held concurrently with the Grand Prix of Figure Skating Final.  - Fedor Vladimirovich Andreev (born March 2, 1982) is a figure skater with dual Russian and Canadian citizenship. In single skating, he is the 2003 Canadian bronze medalist and the 1999 junior national champion. In 2010, he switched to ice dancing and competed for Russia with partner Jana Khokhlova for one season.  - Jana Vadimovna Khokhlova ( Russian :    , born 7 October 1985 ) is a Russian ice dancer . She is best known for her partnership with Sergei Novitski , with whom she is the 2008 World bronze medalist , 2009 European champion , and a two - time ( 2008 -- 2009 ) Russian national champion . She also competed with Andrei Maximishin and Fedor Andreev .  - Anastasia Alexandrovna Platonova (born 28 August 1986) is a Russian former competitive ice dancer. With Alexander Grachev, she is a two-time (20082009) Finlandia Trophy silver medalist and 2008 NRW Trophy champion. With Andrei Maximishin, she is the 2006 Karl Schäfer Memorial silver medalist and won three gold medals on the ISU Junior Grand Prix series.   - Sergei Nikolayevich Novitski (born 16 May 1981) is a Russian former competitive ice dancer. He skated with Jana Khokhlova until April 2010. Together, they are the 2008 World bronze medalists, 2009 European champions, and two-time (200809) Russian national champions.  - Ice dancing is a discipline of figure skating that draws from ballroom dancing. It joined the World Figure Skating Championships in 1952, and became a Winter Olympic Games medal sport in 1976.    Given the information, choose the subject and object entities that have the relation of 'occupation'.
Answer:
jana khokhlova , figure skater