Answer the following question: Information: - Dmytro Palamarchuk (sometimes Dmitri Palamarchuk from , born December 17, 1979) is a Ukrainian figure skating coach and retired pair skater. With former partner Julia Obertas, he is a two-time World Junior champion (1998, 1999) and two-time Junior Grand Prix Final champion. - Julia Nikolayevna Obertas , married name : Horak ( Russian : , Ukrainian : ; born 19 June 1984 ) is a former pair skater who represented Ukraine until 2000 and then Russia until the end of her career . She is best known for her partnership with Sergei Slavnov , with whom she competed from 2003 to 2007 . They are the 2005 European silver medalists . Earlier , she competed with Alexei Sokolov for Russia and Dmytro Palamarchuk for Ukraine . With Palamarchuk , she became a two - time ( 1998 -- 1999 ) World Junior champion . - Figure skating is a sport in which individuals, duos, or groups perform on figure skates on ice. It was the first winter sport included in the Olympics, in 1908. The four Olympic disciplines are men's singles, ladies' singles, pair skating, and ice dancing. Non-Olympic disciplines include synchronized skating and four skating. From novice through senior-level competition, skaters generally perform two programs (short and long) which, depending on the discipline, may include spins, jumps, moves in the field, lifts, throw jumps, death spirals, and other elements or moves. Given the information, choose the subject and object entities that have the relation of 'sport'.
Answer:
julia obertas , figure skating