content: class Path(object):
      @staticmethod
      def db_root_dir(dataset):
          if dataset == 'pascal':
              return '/path/to/datasets/VOCdevkit/VOC2012/'  # folder that contains VOCdevkit/.
          elif dataset == 'sbd':
              return '/path/to/datasets/benchmark_RELEASE/'  # folder that contains dataset/.
          elif dataset == 'cityscapes':
              return '/path/to/datasets/cityscapes/'     # foler that contains leftImg8bit/
          elif dataset == 'coco':
              return '/path/to/datasets/coco/'
          else:
              print('Dataset {} not available.'.format(dataset))
              raise NotImplementedError
  