367012
Elements of the episode , including the shooting of patrolman Chris Thormann , were adapted from David Simon 's non-fiction crime book , Homicide : A Year on the Killing Streets . "
 person: David Simon
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: David Simon 
Answer:
 person: David Simon