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At university , van Dalen was a member of the SSR-NU , a Christian social club for students , and worked in the House of Representatives of the Netherlands as a member of staff for Meindert Leerling , with responsibility for health policy .
 person: van Dalen; person: Meindert Leerling
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: van Dalen, Meindert Leerling 
Answer:
 person: van Dalen; person: Meindert Leerling