instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : Statesmen of World War I is an oil on canvas painting by Sir James Guthrie, completed in 1930, shortly before Guthrie's death. 
Question : What material was used for Statesmen of World War I?
answer:
canvas


question:
Context : Rear Admiral Charles Stillman Sperry (3 September 1847 -- 1 February 1911) was an officer in the United States Navy. 
Question : Which military did Charles Stillman Sperry serve with?
answer:
United States Navy


question:
Context : Home Is the Exile is a novel by the American writer Hilary Masters set in 1990s Pittsburgh, Pennsylvania. 
Question : Which place is Home Is the Exile in?
answer:

Pittsburgh