23000
In 1977 , Birmingham Museum and Art Gallery organised a major retrospective exhibition of his work which subsequently went on tour .
 location: Birmingham Museum and Art 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: Birmingham Museum and Art Gallery 
Answer:
 location: Birmingham Museum and Art Gallery