17500
The book was originally due to be published by ReganBooks , an imprint of HarperCollins , which was headed by editor and publisher Judith Regan .
 organization: ReganBooks; organization: HarperCollins; person: Judith Regan
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: ReganBooks, HarperCollins, Judith Regan 
Answer:
 organization: ReganBooks; organization: HarperCollins; person: Judith Regan