Question: The USAF base that includes Wright and Patterson fields, and the site of the abandoned town of Osborn, are in which American state?
Sentence (from "Wright-Patterson Air Force Base"): Wright-Patterson Air Force Base (WPAFB) (IATA: FFO, ICAO: KFFO, FAA LID: FFO) is a United States Air Force base and census-designated place just east of Dayton, Ohio, in Greene and Montgomery counties.
Relevant evidence: No