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In addition to its professional staff , the SIG is supported by its more than 35,000 member companies who participate in the various working groups that produce the standardization documents and oversee the qualification process for new products and help to evangelize the technology .
 organization: SIG
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: SIG 
Answer:
 organization: SIG