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His book , The Pilot Star Elegies ( W.W. Norton , 2000 ) , was a finalist for the 1999 National Book Award ; and from 1990 to 1997 , Santos served as external examiner and poet-in-residence at the Poets ' House in Portmuck , Northern Ireland , and in 1999 he received an Award for Literary Excellence from the American Academy of Arts and Letters .
 organization: W.W. Norton; person: Santos; organization: American Academy of Arts and Letters
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: W.W. Norton, Santos, American Academy of Arts and Letters 
Answer:
 organization: W.W. Norton; person: Santos; organization: American Academy of Arts and Letters