code: def load_item(path, modality):
      if modality == "video":
          return (load_video(path), load_transcript(path))
      if modality == "audio":
          return (load_audio(path), load_transcript(path))
      if modality == "audiovisual":
          return (
              load_audio(path),
              load_video(path),
              load_transcript(path),
          )
  
file_path: audio/examples/avsr/lrs3.py
imports: import os
  import torchaudio
  import torchvision
  from torch.utils.data import Dataset
label_desc: Use image node_id 5 for calling a global function with example usage: load_item(path, modality) and returns: load_video,  load_transcript, load_audio,  load_transcript, load_audio,  load_video,  load_transcript