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At their evening auctions of Impressionist and modern art in May , both companies are selling historically important portraits : at Christie 's , an 1890 van Gogh image of Madame Ginoux , the proprietress of the Cafe de la Gare in Arles , France , which the artist frequented , and at Sotheby 's , a seminal 1941 Picasso portrait of his mistress Dora Maar that has not been seen in public for more than 40 years .
 nationality: Dora Maar, France
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:  Dora Maar, France 
Answer:
 nationality: Dora Maar, France