1064
Indeed , it was on June 28 1914 that Gavrilo Princip , a 20-year-old Serb revolutionary student , shot dead Archduke Franz Ferdinand of Austria-Hungary in Sarajevo .
 Gavrilo Princip, Archduke Franz Ferdinand; Austria-Hungary, Sarajevo
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: Organization based in, Located in, Live in, Work for, Kill 
Text: {0} 
Answer:
 Gavrilo Princip, Archduke Franz Ferdinand; Austria-Hungary, Sarajevo