8057
The horned Waterloo Helmet in the British Museum , which long set the standard for modern images of Celtic warriors , is in fact a unique survival , and may have been a piece for ceremonial rather than military wear .
 location: British Museum
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: British Museum 
Answer:
 location: British Museum