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When talking about rural system reform , Tieying Li stressed that the household - factory contract responsibility system needs to persist unchanged for a long time , a system of land rights and compensated circulation needs to be actively sought and established and land scaled operations need to be promoted .
 Tieying Li
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:
 Tieying Li