code: def __init__(self, tree_pointers, tree_phrases):
      self.create_tree(
          [int(elem) - 1 for elem in tree_pointers], tree_phrases
      )
  
imports: import os
  from typing import List, Optional, Set
  import pandas
  from ludwig.datasets.dataset_config import DatasetConfig
  from ludwig.datasets.loaders.dataset_loader import DatasetLoader
label_desc: Use image node_id 3 to create a new SSTTree object  with example: obj = SSTTree(tree_pointers, tree_phrases)