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Ms. Robinson called it a significant move that brings China closer to ratifying two international rights treaties ; the UN Covenant on Economic Social and Cultural Rights , as well as a covenant on political and civil rights .
 Robinson, China, two, the UN Covenant on Economic Social and Cultural Rights
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:
 Robinson, China, two, the UN Covenant on Economic Social and Cultural Rights