challenge: Where is Neuchâtel-Serrières railway station located?
  
  A. In the municipality of Geneva, in the Swiss canton of Geneva
  B. In the municipality of Bern, in the Swiss canton of Bern
  C. In the municipality of Zurich, in the Swiss canton of Zurich
  D. In the municipality of Neuchâtel, in the Swiss canton of Neuchâtel
  Answer: 