249769
Slavia Sofia On 18 February 2012 , after a successful trial period Akiyoshi signed a two-and-a-half year contract at Slavia Sofia , becoming the first ever Japanese to play in the Bulgarian A Professional Football Group .
 Slavia Sofia, Akiyoshi, Slavia Sofia, Bulgarian A Professional Football Group
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Slavia Sofia, Akiyoshi, Slavia Sofia, Bulgarian A Professional Football Group