58635
Twentieth century philosophers such as Wittgenstein argued that philosophy is really the study of language .
 person: Wittgenstein
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: Wittgenstein 
Answer:
 person: Wittgenstein