151079
The group was formed through the Friends of Dulwich Picture Gallery in a grassroots manner .
 organization: Dulwich Picture Gallery
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: Dulwich Picture Gallery 
Answer:
 organization: Dulwich Picture Gallery