18344
Serena Williams withdrew from the tournament last week with an ankle injury ; her sister Venus looked in fine form in defeating Marta Marrero of Spain , 6-3 , 6-2 , though she is seeded No. 11 . ''
 nationality: Marta Marrero, Spain
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Marta Marrero, Spain 
Answer:
 nationality: Marta Marrero, Spain