70206
In 1902 , the publisher Walter Blackie purchased a lot in the neighborhood .
 organization: Walter Blackie
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: Walter Blackie 
Answer:
 organization: Walter Blackie