101861
Other major cities followed : Tianjin ( 1984 ) , Shanghai ( 1993 ) , Guangzhou ( 1997 ) , Wuhan ( 2004 ) , Shenzhen ( 2004 ) .
 Tianjin, Shanghai, Guangzhou, Wuhan, Shenzhen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Tianjin, Shanghai, Guangzhou, Wuhan, Shenzhen