challenge: Where did Claire Lademacher meet Prince Félix of Luxembourg?
  
  A. In Paris, France
  B. At the wedding of Hereditary Grand Duke Guillaume and Countess Stéphanie de Lannoy
  C. At Collège Alpin International Beau Soleil
  D. At the wedding of Archduke Imre of Austria in Washington, D.C.
  Answer: 