262557
Events with " B " in the code are for athletes with visual impairment , codes LW1 to LW9 are for athletes who stand to compete and LW10 to LW12 are for athletes who compete sitting down .
 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