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When he was called to examine Robert F. Kennedy 's assassin , Sirhan Sirhan , a Jordanian residing in the United States , Markman refused .
 Kill: Sirhan Sirhan, Robert F. Kennedy
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: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
Answer:
 Kill: Sirhan Sirhan, Robert F. Kennedy