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Biotech giant CSL in talks with WHO over Ebola treatments http://t.co/7Uk5G33i2C
 organization: CSL; organization: WHO
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: CSL, WHO 
Answer:
 organization: CSL; organization: WHO