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In recent years , China has been paying close attention to development of the natural gas industry , and has drafted a development strategy for the land - based petroleum industry of " stabilizing the east , developing the west , and increasing oil and gas " .
 recent years, China
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:
 recent years, China