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Hundreds of people spent part of Thanksgiving day remembering President Kennedy with a visit to the downtown building where investigators say Lee Harvey Oswald fired the shots that killed him 27 years ago .
 Lee Harvey Oswald, President 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:
 Lee Harvey Oswald, President Kennedy