13855
New Haven : Yale University Press , 1971 ) he subsequently conducted field work in the Luapula Valley of Zambia ( Rural Responses to Industrialization : A Study of Village Zambia .
 organization: Yale University Press
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: Yale University Press 
Answer:
 organization: Yale University Press