2680
New York is in the process of trying to disengage itself from a 20 - year - old commitment to this system of school governance , even as Chicago and other cities are moving to institute it .
 New York, 20 - year - old, Chicago
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:
 New York, 20 - year - old, Chicago