Question: Are Greven Station and Dortmund-Wischlingen Station located in the same country?
Sentence (from "Dortmund-Wischlingen station"): It is served by Rhine- Ruhr S- Bahn line S 2 every 20 minutes from Monday to Friday during the day and every half- hour during the early and late hours and on Saturdays, Sundays and public holidays.
Relevant evidence: No