284502
When the National Park Service ( NPS ) investigated the history of the cross , Sandoz explained that he drilled holes into Sunrise Rock to bolt the cross in place , making it difficult to remove .
 organization: National Park Service
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 Park Service 
Answer:
 organization: National Park Service