24549
The Chunxiao gas field ( ) is a natural gas field below the East China Sea within the Chinese Exclusive Economic Zone , about 4 km to the west of the EEZ border claimed by Japan which is disputed by China .
 Chinese, Japan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chinese, Japan