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In 1848 he became one of the leaders of the Czech radical democrats , the founder of a secret radical political circle " Repeal " ( whose name was inspired by Irish revolutionaries ) , a member of the National Committee and the Czech congress .
 None
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:  
Answer:
 None