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Mark Stone is a British baritone appearing in concerts, recitals, and opera. Born in London 12 June 1969, he studied at Wilson is School, Wallington before going up to King is College, Cambridge to read Mathematics. After graduating in 1990, he worked as a Chartered Accountant and as an investment banker before studying singing at the Guildhall School of Music and Drama, London from 1995 to 1998.
 place of birth: Mark Stone, London
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: Mark Stone, London