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Lo Chih - cheng relates that , though there is no direct and immediate impact on inter-state relations as a result of private participation in nongovernmental organizations , nevertheless such participation can strengthen communication and contact between peoples .
 Lo Chih - cheng
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:
 Lo Chih - cheng