code: def __init__(self, data_dir, lang, split="train"):
      self.examples = read_cosqa_search_examples(
          f"{data_dir}/{lang}/{split}"
      )
  
imports: import json
  import torch
  from torch.utils.data import DataLoader, Dataset
label_desc: Use image node_id 1 to create a new cosqa_search_train object from inherited base classes: Dataset with example: obj = cosqa_search_train(data_dir, lang, split)