4120
Lee 's surrender of the Army of Northern Virginia had virtually ended the war by that time , but Booth thought he could save the South by killing Lincoln , said Tidwell , a retired CIA officer .
 Kill: Booth, Lincoln
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: Booth, Lincoln