challenge: What are the boundaries of the Mayland Heights neighbourhood in Calgary, Alberta?
  
  A. Barlow Trail to the west, Memorial Drive to the north, Deerfoot Trail to the east, and Trans-Canada Highway to the south
  B. Memorial Drive to the east, Deerfoot Trail to the south, Barlow Trail to the west, and Trans-Canada Highway to the north
  C. Barlow Trail to the east, Memorial Drive to the south, Deerfoot Trail to the west, and Trans-Canada Highway to the north
  D. Trans-Canada Highway to the east, Barlow Trail to the south, Memorial Drive to the west, and Deerfoot Trail to the north
  Answer: 