176759
Directed by Alex Graves and written by Bryan Cogman , it aired on April 28 , 2013 .
 person: Alex Graves; person: Bryan Cogman
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Alex Graves, Bryan Cogman 
Answer:
 person: Alex Graves; person: Bryan Cogman