Question: WHAT NEW YORK CITY BUILDING DID GUNVALD AUS AND CASS GILBERT WORK ON TOGETHER?
Sentence (from "Woolworth Building"): The original site for the building was purchased by F. W. Woolworth and his real estate agent Edward J. Hogan by April 15, 1910, from the Trenor Luther Park Estate and other owners for $1.65 million.
Relevant evidence: No