12161
The cost of the U.N. staff overseeing the distribution of food and other supplies was estimated to cost $ 31 million .
 organization: U.N.
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: U.N. 
Answer:
 organization: U.N.