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Consider that along with the death of Jackson there were two other profound if less sensational losses in the music world :  Les Paul  the  inventor  of the electric guitar who is credited with transforming 20th-century pop music ; and Ellie Greenwich less known by her own name than by songs she wrote with Phil Spector and Jeff Barry -- some of the biggest hits of the 1960s including Leader of the Pack Da Doo Ron Ron and Be My Baby .
 title of person: Les Paul, inventor
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: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 title of person: Les Paul, inventor