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Hristo karastoyanov born on February 22, 1950, in Topolovgrad is a contemporary Bulgarian novelist. He studied Bulgarian Philology at Plovdiv University and made his debut in 1981 with the short story collection Cracked Asphalt.
 education institution: Hristo karastoyanov, Plovdiv University
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:
 education institution: Hristo karastoyanov, Plovdiv University