195740
Nepal invaded Tibet in 1855 , but the Nepalese-Tibetan War ended soon after China intervened , the Treaty of Thapathali , concluded in March 1856 , recognized the special status of China and Nepal 's commitment to help Tibet in the event of foreign aggression .
 Nepal, Tibet, Nepal, Tibet
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nepal, Tibet, Nepal, Tibet