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Workers at Driefontein Consolidated Ltd 's east gold mine have failed to report for work since Wednesday night , mine managers Gold Fields of South Africa Ltd said on Friday .
 organization: Driefontein Consolidated Ltd; organization: Gold Fields of South Africa Ltd
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 organization: Driefontein Consolidated Ltd; organization: Gold Fields of South Africa Ltd