13498
Since the project began almost two years ago , corps volunteers have focused on African American troops , preparing records in time for the unveiling in Washington this year of a special memorial to black soldiers who fought in the war .
 else: African American; location: Washington
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: African American, Washington 
Answer:
 else: African American; location: Washington