201535
Primary duties According to the official functions of SARFT are : Notable technological innovations The SARFT plays a similar role in China as TDF Group plays in France and Germany , or Crown Castle plays in the US or Australia .
 Crown Castle
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Crown Castle