327671
The popularity of this layout led to Robert 's being commissioned in 1938 by the Railways Department to build and operate a working model train layout for the New Zealand Centennial Exhibition .
 organization: Railways; organization: Zealand
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: Railways, Zealand 
Answer:
 organization: Railways; organization: Zealand