code: def config_path(cls):
      return "configs/datasets/vqa2/defaults.yaml"
  
file_path: mmf/mmf/datasets/builders/vqa2/builder.py
imports: from mmf.common.registry import registry
  from mmf.datasets.builders.vqa2.dataset import VQA2Dataset
  from mmf.datasets.mmf_dataset_builder import MMFDatasetBuilder
label_desc: Use image node_id 2 for calling the VQA2Builder obj's underlying member method code with example usage: obj.config_path(cls) and returns: str