challenge: Where is St. George's Church located?
  
  A. 7 Bulevardul Unirii, Timișoara, Romania
  B. 10 Aleea Rozelor, Cluj-Napoca, Romania
  C. 5 Strada Principala, Bucharest, Romania
  D. 2 Piața Sf. Gheorghe, Caransebeș, Romania
  Answer: 