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But in the letters sent in recent days , Christopher J. Lezovich of the IRS computing center in Detroit , told attorneys that `` failing to voluntarily submit the requested information could result in summons enforcement action being initiated . ''
 date: recent days; person: Christopher J. Lezovich; organization: IRS; geographical social political: Detroit
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 date: recent days; person: Christopher J. Lezovich; organization: IRS; geographical social political: Detroit