236650
Industrial Action of 2011 On 15th July 2011 , NUJ - represented staff employed within the Doncaster Free Press walked out on indefinite strike , along with those from the South Yorkshire Times , the Goole Courier and the Selby Times . .
 NUJ, Doncaster Free, Yorkshire
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 NUJ, Doncaster Free, Yorkshire