Question: Which airport is further west, Dayton International Airport or Friday Harbor Airport?
Sentence (from "Dayton International Airport"): Dayton International Airport (IATA: DAY, ICAO: KDAY, FAA LID: DAY) (officially James M. Cox Dayton International Airport), formerly Dayton Municipal Airport and James M. Cox-Dayton Municipal Airport, is ten miles north of downtown Dayton, in Montgomery County, Ohio.
Relevant evidence: Yes