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In 1971 the New York-Penn League team from Williamsport , PA changed affiliations and names , going from the Williamsport Astros to the Williamsport Red Sox .
 New York-Penn League, Williamsport , PA, Williamsport Astros, Williamsport, Sox
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 New York-Penn League, Williamsport , PA, Williamsport Astros, Williamsport, Sox