123
He developed evidence regarding the assassination of President Kennedy which supported the findings of the Warren Commission that Lee Harvey Oswald was the lone assassin .
 Kill: Lee Harvey Oswald, President 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 Harvey Oswald, President Kennedy