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Tsar Ivan IV ( reigned 1547 – 1584 ) took this matter to the ecclesiastical court and was immediately advised that individuals practicing these forms of witchcraft should be excommunicated and given the death penalty .
 person: Ivan IV
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Ivan IV