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Vasily Vladimirovich Petrov Petrov was born in the town of Oboyan (currently Kursk Oblast of Oboyan, Russia ) in the family of a priest. He studied at a public school in Kharkov, and then at the St. Petersburg Teacher's College.
 place of birth: Vasily Vladimirovich Petrov, Oboyan, Russia
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: Vasily Vladimirovich Petrov, Oboyan, Russia