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SOLEDAD , Calif. _ A state parole board refused to release from prison Sirhan B. Sirhan , convicted of killing Robert F. Kennedy in 1968 .
 Sirhan B. Sirhan, Robert F. Kennedy
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
Answer:
 Sirhan B. Sirhan, Robert F. Kennedy