anchor.diff:                        label Vehicle
                         ul.filter-options
                           li
  -                          a(href='#', data-filter='vehicle', data-value='no') No
  +                          a(href='#', data-filter='vehicle', data-value='none') none
                           li
                             a(href='#', data-filter='vehicle', data-value='motorcycle') motocycle
                           li
  
positive.code:   var province = {};
    var province_data = [];
  
  
    var injured_color = d3.rgb('#57c3d3');
    var dead_color = d3.rgb('#ff0000');
  
  
negative.code:                       label Hit With
                        ul.filter-options
                          li
                            a(href='#', data-filter='hit', data-value='none') none
                          li
                            a(href='#', data-filter='hit', data-value='motorcycle') motocycle
                          li
  