docstr: [summary]
  
  Args:
      pred_list (List[Dict]): [description]
          [
              {
                  'offset': [['Geo-political', [7]], ['Geo-political', [14]]],
                  'string': [['Geo-political', 'seattle'], ['Geo-political', 'city']]
              },
              {...},
          ]
  Returns:
      List[Dict] : each relation instance has `offset` and `string`
          [
              {
                  'offset': [('Geo-political', (7,)), ('Geo-political', (14,))],
                  'string': [('Geo-political', 'seattle'), ('Geo-political', 'city')]
              }
          ]
code: def load_pred_list(pred_list: List[Dict]):
      """[summary]
  
      Args:
          pred_list (List[Dict]): [description]
              [
                  {
                      'offset': [['Geo-political', [7]], ['Geo-political', [14]]],
                      'string': [['Geo-political', 'seattle'], ['Geo-political', 'city']]
                  },
                  {...},
              ]
      Returns:
          List[Dict] : each relation instance has `offset` and `string`
              [
                  {
                      'offset': [('Geo-political', (7,)), ('Geo-political', (14,))],
                      'string': [('Geo-political', 'seattle'), ('Geo-political', 'city')]
                  }
              ]
      """
      pred_instance_list = list()
      for pred in pred_list:
          for offset_pred in pred["offset"]:
              if not isinstance(offset_pred[1], tuple):
                  offset_pred[1] = tuple_offset(offset_pred[1])
          pred["offset"] = [tuple_offset(p) for p in pred["offset"]]
          pred["string"] = [tuple_offset(p) for p in pred["string"]]
          pred_instance_list += [pred]
      return pred_instance_list
  
imports: from collections import defaultdict
  from copy import deepcopy
  from typing import Dict, List
  import sys
label_desc: Use image node_id 2 for calling the EntityScorer obj's underlying member method code with example usage: obj.load_pred_list(pred_list) and returns: pred_instance_list