code: def from_json(json_data):
      return Example(
          json_data["title"],
          json_data["entities"],
          json_data["types"],
          json_data["relations"],
          json_data["abstract"],
      )
  
imports: import json
  import pickle
  import random
  import dgl
  import numpy
  import torch
label_desc: Use image node_id 4 for calling the Example obj's underlying member method code with example usage: obj.from_json(json_data) and returns: Example