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AlternC is a set of open source Web Hosting server management software for Linux / UNIX-like systems , whose aim is to promote self hosting by individuals or small structures , and provide its users with an easy web-based interface to manage a web and mail server ( and other Internet-based services ) .
 None
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:  
Answer:
 None