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baby boy -- symbolically designated The Day of Six Billion world is six billionth person -- was born to a first-time mother in a Sarajevo hospital early Tuesday, the head of a pediatric clinic said.
 place of birth: The Day of Six Billion, Sarajevo
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: The Day of Six Billion, Sarajevo