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After a trip to London to make more business connections , Elizabeth returned to Boston and sent for James ' daughter Dolly , wanting to give her the chance to pursue the " superior educational opportunities " in the northern city .
 Elizabeth, Boston
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Elizabeth, Boston