context: Aachen (German: Aachen) is a city located in the far west of North Rhine-Westphalia in West Germany 60 km southwest of Cologne. It has a population of approximately 254.000 people (2015). It is located on the German border with both the Netherlands and Belgium and it is considered the largest city on the western western border in Germany after its population exceeded the 100,000 mark in 1890. (German: Die (Rheinisch-Westfälische Technische Hochschule Aachen), which is one of the leading universities in the technical field in Germany.
question: Where is Aachen?
answers.text: West Germany