20987
Definition Given a measurable space ( X , \ Sigma ) and a measure \ mu on that space , a set A in \ Sigma is called an atom if and for any measurable subset B of A with one has \ mu ( B ) = 0 .
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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:  
Answer:
 None