19381
During the 20th century , interest in witchcraft in English-speaking and European countries began to increase , inspired particularly by Margaret Murray 's theory of a pan-European witch-cult originally published in 1921 , since discredited by further careful historical research .
 person: Margaret Murray
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: Margaret Murray 
Answer:
 person: Margaret Murray