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Born in Stockholm , Greta Knutson studied at the Kungliga KonsthAgskolan, and settled in Paris, France during the early 1920s. It was there that she began frequenting Lhote's studio and became his disciple. It was also in France that Knutson met Tzara, reportedly in 1924. She married him on August 8, 1925. The couple had a son, Christophe, born on March 15, 1927 at Neuilly-sur-Seine.
 place of birth: Greta Knutson, Stockholm
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 place of birth: Greta Knutson, Stockholm