29459
According to presentations , the art festival to open at the Shenzhen Gymnasium on December 8th will focus on displaying the most widely circulated Chinese artistic extracts of the 20th century .
 the Shenzhen Gymnasium, December 8th, Chinese, the 20th century
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:
 the Shenzhen Gymnasium, December 8th, Chinese, the 20th century