197320
The complex consists of two big halls ; the concert hall and the sports hall , in addition to the Hayastan conferences hall designated for political summits with a huge space which gives the facility to organize fairs and exhibitions .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None