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Prayers and tears marked the opening Monday of a museum on the sixth floor of the old Texas School Book Depository from which Lee Harvard Oswald is believed to have fired the shots that killed President John F. Kennedy .
 Kill: Lee Harvard Oswald, President John 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: Lee Harvard Oswald, President John F. Kennedy