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Judge Albert Green , in Cook County Circuit Court in Chicago , also recognized the suit , filed last May by Robert and Cynthia Langendorf , as a class action covering thousands of Irving customers .
 Albert Green, Cook County Circuit Court, Chicago, last May, Robert, Cynthia Langendorf, thousands, Irving
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:
 Albert Green, Cook County Circuit Court, Chicago, last May, Robert, Cynthia Langendorf, thousands, Irving