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CK-12 was established in 2007 by Neeru Khosla and Murugan Pal to support K-12 science , technology , engineering , and math ( STEM ) education .
 organization: CK-12; person: Neeru Khosla; person: Murugan Pal; organization: STEM
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: CK-12, Neeru Khosla, Murugan Pal, STEM 
Answer:
 organization: CK-12; person: Neeru Khosla; person: Murugan Pal; organization: STEM