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Indeed , not only was truth our only goal , but we found that truth : Lee Harvey Oswald was the lone gunman who killed President Kennedy and Officer J.D. Tippit on that tragic Friday afternoon in Dallas , Nov. 22 , 1963.
 Lee Harvey Oswald, President Kennedy; Lee Harvey Oswald, Officer J.D. Tippit
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:
 Lee Harvey Oswald, President Kennedy; Lee Harvey Oswald, Officer J.D. Tippit