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Marxist and former U.S. Marine Lee Harvey Oswald was arrested for the state crime , but he was shot and killed by Jack Ruby two days later .
 location: U.S.; person: Lee Harvey Oswald; person: Jack Ruby
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: U.S.; person: Lee Harvey Oswald; person: Jack Ruby