challenge: Where did Eduard von Steiger study law?
  
  A. University of Lausanne, University of Neuchâtel, and University of Lucerne
  B. University of Geneva, University of Leipzig, and University of Berne
  C. University of Zurich, University of Basel, and University of Fribourg
  D. University of St. Gallen, University of Lugano, and University of Winterthur
  Answer: 