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For example , one 640 MB compact disc ( CD ) holds approximately one hour of uncompressed high fidelity music , less than 2 hours of music compressed losslessly , or 7 hours of music compressed in the MP3 format at a medium bit rate .
 None
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