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Treehouse , officially Treehouse Island Inc. , is an online interactive education platform that offers classes in markup languages such as HTML and CSS , and programming languages such as PHP , Javascript , Ruby and Objective-C .
 organization: Treehouse; organization: Treehouse
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: Treehouse, Treehouse 
Answer:
 organization: Treehouse; organization: Treehouse