176507
The 18 teams in the league are divided into the Group A and Group B — nine in the Group A , nine in the Group B. Each team competes against the other team in same group twice , home and away , the other group 's team once , home or away , for a total of 25 games .
 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