Take the following as truth: I think of my late lamented friend Boris Shub, son of the Menshevik historian David Shub, who had set up RIAS (the radio station in the American sector) in Berlin in 1945, a major cold war propaganda asset.
Then the following statement: "My deceased friend Boris Shrub was the son of  historian David Shub. " is true, false, or inconclusive?
Answer: True