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Software standard organizations like the W3C , IETF develop recommended software standards such as XML , HTTP and HTML , so that software can interoperate through these standards .
 organization: W3C; organization: IETF
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: W3C, IETF 
Answer:
 organization: W3C; organization: IETF