88014
A collision of high-speed trains on 23 July 2011 in Zhejiang province killed 40 and injured 195 , raising concerns about operational safety .
 Zhejiang
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:
 Zhejiang