2013 western & southern open
seeds
Table:
Country

Player

Country

Player

Rank1

Seed

ITA

Sara Errani

ITA

Roberta Vinci

1

1

RUS

Ekaterina Makarova

RUS

Elena Vesnina

10

2

CHN

Peng Shuai

TPE

Hsieh Su-wei

19

3

CZE

Andrea Hlaváčková

USA

Lisa Raymond

24

4

USA

Raquel Kops-Jones

USA

Abigail Spears

24

5

GER

Anna-Lena Grönefeld

CZE

Květa Peschke

27

6

TPE

Chan Hao-ching

SLO

Katarina Srebotnik

42

7

IND

Sania Mirza

CHN

Jie Zheng

42

8

Looking at the table in the article '2013 western & southern open' (section 'seeds'), pick the correct relational label for the highlighted column pair given the following relation candidates: sports.sports_facility.home_venue_for-sports.team_venue_relationship.team, tv.tv_character.appeared_in_tv_program-tv.regular_tv_appearance.actor, sports.sports_league.teams-sports.sports_league_participation.team, tv.tv_program.country_of_origin, sports.sports_team.roster-sports.sports_team_roster.player, film.film.music, film.film.distributors-film.film_film_distributor_relationship.distributor, sports.sports_championship_event.champion, film.film.release_date_s-film.film_regional_release_date.film_release_region, sports.pro_athlete.teams-sports.sports_team_roster.team, sports.sports_position.players-sports.sports_team_roster.player, sports.sports_team.league-sports.sports_league_participation.from, award.award_nominated_work.award_nominations-award.award_nomination.award_nominee, base.schemastaging.organization_extra.phone_number-base.schemastaging.phone_sandbox.service_location, location.location.contains, film.film_character.portrayed_in_films-film.performance.actor, tv.tv_actor.starring_roles-tv.regular_tv_appearance.series, people.person.parents, sports.sports_position.players-sports.sports_team_roster.position, time.event.locations, olympics.olympic_participating_country.medals_won-olympics.olympic_medal_honor.medalist, film.actor.film-film.performance.film, organization.organization.headquarters-location.mailing_address.state_province_region, soccer.football_team.player_statistics-soccer.football_player_stats.player, people.person.place_of_birth, meteorology.tropical_cyclone.tropical_cyclone_season, film.director.film, people.person.nationality, location.administrative_division.country, location.location.nearby_airports, sports.sports_award_winner.awards-sports.sports_award.team, film.film.produced_by, award.award_ceremony.nominees-award.award_nomination.award_nominee, award.award_ceremony.nominees-award.award_nomination.nominated_for, base.schemastaging.athlete_extra.salary-base.schemastaging.athlete_salary.team, base.wikipedia_infobox.video_game.platforms, music.composer.compositions, organization.organization.headquarters-location.mailing_address.country, award.award_category.winners-award.award_honor.award_winner, award.award_category.nominees-award.award_nomination.ceremony, music.artist.album, film.film.production_companies, aviation.airline.hubs, olympics.olympic_event_competition.medalists-olympics.olympic_medal_honor.medalist, people.person.places_lived-people.place_lived.location, film.film.written_by, film.film.genre, film.film.language, ice_hockey.hockey_player.hockey_position, sports.sports_league_season.league, sports.sports_team.sport, government.political_party.politicians_in_this_party-government.political_party_tenure.politician, government.governmental_jurisdiction.governing_officials-government.government_position_held.office_holder, award.award_nominee.award_nominations-award.award_nomination.nominated_f, location.location.street_address-location.mailing_address.citytown, base.biblioness.bibs_location.country, tv.tv_network.programs-tv.tv_network_duration.program, soccer.football_player.statistics-soccer.football_player_stats.team, olympics.olympic_athlete.country-olympics.olympic_athlete_affiliation.country, government.politician.party-government.political_party_tenure.party, people.person.spouse_s-people.marriage.spouse, basketball.basketball_player.player_statistics-basketball.basketball_player_stats.team, base.aareas.schema.administrative_area.administrative_parent, baseball.baseball_player.position_s, location.country.capital, film.actor.film-film.performance.character, education.educational_institution.athletics_brand, base.wikipedia_infobox.video_game.developer, award.award_nominated_work.award_nominations-award.award_nomination.ceremony, location.country.official_language, location.capital_of_administrative_division.capital_of-location.administrative_division_capital_relationship.administrative_division, baseball.baseball_team.league, location.hud_county_place.county, olympics.olympic_athlete.medals_won-olympics.olympic_medal_honor.country, aviation.airport.serves, baseball.baseball_player.batting_stats-baseball.batting_statistics.team, american_football.football_player.position_s, cvg.computer_videogame.publisher, sports.sports_facility.teams, film.film.starring-film.performance.actor, music.composition.composer, olympics.olympic_athlete.medals_won-olympics.olympic_medal_honor.event, award.award_ceremony.awards_presented-award.award_honor.award_winner, base.culturalevent.event.entity_involved, american_football.football_player.games-american_football.player_game_statistics.team, tv.tv_actor.starring_roles-tv.regular_tv_appearance.character, book.written_work.author, book.author.works_written, award.award_category.winners-award.award_honor.ceremony, location.country.languages_spoken, music.album.artist, sports.sports_team.league-sports.sports_league_participation.league, location.administrative_division.capital-location.administrative_division_capital_relationship.capital, award.award_category.nominees-award.award_nomination.award_nominee, sports.pro_athlete.teams-sports.sports_team_roster.position, tv.tv_program.original_network-tv.tv_network_duration.network, award.award_ceremony.awards_presented-award.award_honor.honored_for, government.political_district.representatives-government.government_position_held.office_holder, organization.organization.headquarters-location.mailing_address.citytown, cvg.computer_videogame.developer, film.film.starring-film.performance.character, location.location.containedby, film.film.directed_by, award.award_winning_work.awards_won-award.award_honor.award_winner, military.military_combatant.military_conflicts-military.military_combatant_group.combatants, people.person.education-education.education.institution, people.deceased_person.place_of_death, sports.sports_team.arena_stadium, broadcast.broadcast.area_served, olympics.olympic_participating_country.athletes-olympics.olympic_athlete_affiliation.athlete, soccer.football_player.position_s, tv.tv_program.regular_cast-tv.regular_tv_appearance.actor, film.film.story_by, sports.sports_team.location, sports.sports_team.venue-sports.team_venue_relationship.venue, time.event.instance_of_recurring_event, military.military_person.service-military.military_service.military_force, film.film.country, award.award_category.category_of, government.politician.government_positions_held-government.government_position_held.district_represented. Output the relation identifier(s) in the following JSON format {"answer": ["RELATION"]}; use commas between multiple relations.

{"answer": ["olympics.olympic_participating_country.athletes-olympics.olympic_athlete_affiliation.athlete"]}