487
Holmes had been assisting Fritz in the investigation of the murder of President Kennedy and the murder of Officer Tippit , the Dallas policeman who was killed by Oswald about 45 minutes after the Kennedy assassination and whose murder is really the Rosetta Stone to understanding the truth about the assassination. ;
 Kill: Oswald, Officer Tippit
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: Oswald, Officer Tippit