Question: Are both airports, Cheyenne County Municipal Airport and Ava Bill Martin Memorial Airport, located in the same country?
Sentence (from "Cheyenne County Municipal Airport"): Although most U.S. airports use the same three- letter location identifier for the FAA and IATA, Cheyenne County Municipal Airport is assigned SYF by the FAA but has no designation from the IATA( which assigned SYF to Silva Bay on Gabriola Island in British Columbia, Canada).
Relevant evidence: No