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Bobby Darin  ( born  Walden Robert Cassotto  ; May 14 1936 December 20 1973 ) was an American singer songwriter and actor of film and television .
 alternate names: Bobby Darin, Walden Robert Cassotto
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:
 alternate names: Bobby Darin, Walden Robert Cassotto