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Today Superior Court Judge William Pounders likened Buckey 's jail exit to the televised slaying of President John F. Kennedy 's killer , Lee Harvey Oswald , by Dallas nightclub owner Jack Ruby in 1963 .
 Kill: Lee Harvey Oswald, President John F. Kennedy; Kill: Jack Ruby, Lee Harvey Oswald
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:  Lee Harvey Oswald, President John F. Kennedy; Jack Ruby, Lee Harvey Oswald 
Answer:
 Kill: Lee Harvey Oswald, President John F. Kennedy; Kill: Jack Ruby, Lee Harvey Oswald