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In 1871, Yelizaveta Lavrovskaya married Prince Tsertelev. In 1888 she became professor of singing at the Moscow Conservatory. Tchaikovsky considered her to be an ``excellent'' teacher. She died in St. Saint Petersburg (then called Petrograd) in 1919.
 place of death: Yelizaveta Lavrovskaya, Saint Petersburg
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 death: Yelizaveta Lavrovskaya, Saint Petersburg