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B . C . students head back to school in 2 weeks — maybe http://t.co/GpWVCpiaeY
 location: B . C .
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: B . C . 
Answer:
 location: B . C .