7694
Failing to reform the mainline churches , fundamentalists separated from them and established their own churches , refusing to participate in ecumenical organizations such as the National Council of Churches ( founded in 1950 ) .
 organization: National Council of Churches
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: National Council of Churches 
Answer:
 organization: National Council of Churches