248187
It was built in 1878 by an African-American , Adam Blake ( April 6 , 1830-September 7 , 1881 ) , and owned by him until his death , at which time it was taken over by his widow Catherine , who continued until 1887 .
 None
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:  
Answer:
 None