class_docstr: LSMDC dataset.
code: def getRetrievalSamples(self):
      return {
          "video": self.video_retrieval,
          "flow": self.flow_retrieval,
          "text": self.text_retrieval,
          "face": self.face_retrieval,
          "face_ind": self.face_ind_retrieval,
          "audio": self.audio_retrieval,
      }
  
file_path: moe-embedding-expert/MSRVTT.py
imports: import torch
  from torch.utils.data import Dataset
  import numpy
  import os
  import math
  import random
  import pickle
label_desc: Use image node_id 5 for calling the MSRVTT obj's underlying member method code with example usage: obj.getRetrievalSamples() and returns: dict