{
    "hints":  [
                  {
                      "text":  "Try folding the figure in your mind. Do the two sides look the same?",
                      "level":  1
                  },
                  {
                      "text":  "Check if there is a line where one side is a mirror image of the other.",
                      "level":  2
                  },
                  {
                      "text":  "The two halves are different, so the figure is not symmetric.",
                      "level":  3
                  }
              ]
}