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The Warren Commission , established to investigate the assassination , concluded that Oswald acted alone in killing Kennedy .
 Kill: Oswald, Kennedy
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
 Entity Pairs:  Oswald, Kennedy 
Answer:
 Kill: Oswald, Kennedy