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The Charlotte M. Crabtree House , also known as Crabtree Hall , is a dormitory in Amherst , Massachusetts named for the late Charlotte M. Crabtree , a beneficiary of the university .
 Amherst , Massachusetts
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Amherst , Massachusetts