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According to the BBC press office , " Grandpa In My Pocket explores the hugely important relationship between grandchildren and grandparents by turning it on its head " .
 organization: BBC
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: BBC 
Answer:
 organization: BBC