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He concluded his remarks by quoting , emotionally and at some length , according to those present , the late Martin Luther King 's famous `` I Have a Dream '' speech from the 1963 March on Washington .
 person: Martin Luther King; work of art: I Have a Dream; date: 1963; event: March on Washington
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 person: Martin Luther King; work of art: I Have a Dream; date: 1963; event: March on Washington