6586
The other preliminary round second leg match , between Mauritania and Benin in Nouakchott , was postponed until Friday .
 Mauritania, Nouakchott, Benin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Mauritania, Nouakchott, Benin