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The Basque terrorist group admitted to killing former Socialist Health Minister Ernest Yuke on November 21st and then in December killing a Catalan town councilman and a busload of police officers .
 Basque, Ernest Yuke, November 21st, December, Catalan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Basque, Ernest Yuke, November 21st, December, Catalan