{
    "hints":  [
                  {
                      "text":  "DX = XC means that X is exactly halfway along side DC.",
                      "level":  1
                  },
                  {
                      "text":  "The shaded triangle covers half the width and half the height of the square.",
                      "level":  2
                  },
                  {
                      "text":  "Half of half = 1/4, so the shaded part is 1/4 of the square.",
                      "level":  3
                  }
              ]
}