def graph_fn(preprocessed_tensor, groundtruth_boxes1, groundtruth_boxes2,
                 groundtruth_classes1, groundtruth_classes2):
      groundtruth_boxes_list = [groundtruth_boxes1, groundtruth_boxes2]
      groundtruth_classes_list = [groundtruth_classes1, groundtruth_classes2]
      model.provide_groundtruth(groundtruth_boxes_list,