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( born October 25 , 1923 ) was the first African American to be appointed assistant U.S. Attorney for the District of Maryland and was later appointed by President Ronald Reagan to the United States District Court for the District of Maryland .
 Maryland, President Ronald Reagan, Maryland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Maryland, President Ronald Reagan, Maryland