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T-FLEX CAD is written for Microsoft Windows XP , Vista , and 7 32-bit and 64-bit operating system s , and is distributed in various languages .
 organization: Microsoft
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: Microsoft 
Answer:
 organization: Microsoft