challenge: What are the boundaries of a baseball park in Denver?
  
  A. Colorado Boulevard (east), 6th Avenue (south), Bannock Street (west), and 8th Avenue (north)
  B. Lincoln Street (east), 14th Avenue (south), Delaware Street (west), and 17th Avenue (north)
  C. Alameda Avenue (east), Exposition Avenue (south), Broadway (west), and South Santa Fe Drive (north)
  D. 600 South Broadway (east, first base); Virginia Avenue (south, third base); Bannock Street (west, left field); Dakota Avenue (north, right field)
  Answer: 