157
At present , Binhai International Airport in Tianjin has become the largest airport in China for Community of Independent States countries ' air freighters in terms of the number of flights and the amount of products transported for export from China .
 Tianjin, China, Community of Independent States countries ', China, Community of Independent States, Binhai International Airport in Tianjin, the largest airport in China for Community of Independent States countries ' air freighters in terms of the number of flights and the amount of products transported for export from China, Community of Independent States countries ' air freighters
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Tianjin, China, Community of Independent States countries ', China, Community of Independent States, Binhai International Airport in Tianjin, the largest airport in China for Community of Independent States countries ' air freighters in terms of the number of flights and the amount of products transported for export from China, Community of Independent States countries ' air freighters