7705
Christian von Ehrenfels , credited with the introduction of the notion of ''Gestalt '' , which led to the establishment of Gestalt psychology
 person: Christian von Ehrenfels; organization: Gestalt psychology
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: Christian von Ehrenfels, Gestalt psychology 
Answer:
 person: Christian von Ehrenfels; organization: Gestalt psychology