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In 1930 , Wolfgang Pauli theorized that an undetected particle was carrying away the observed difference between the energy , momentum , and angular momentum of the initial and final particles .
 person: Wolfgang Pauli
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: Wolfgang Pauli 
Answer:
 person: Wolfgang Pauli