challenge: Where is Crandola Valsassina located?
  
  A. In the Italian region of Lombardy, about 60 km northeast of Milan
  B. In the Italian region of Piedmont, about 40 km east of Turin
  C. In the Italian region of Tuscany, about 20 km south of Florence
  D. In the Italian region of Veneto, about 30 km west of Venice
  Answer: 