code: def is_unique_in_phoneme_dict(self, word):
      return len(self.phoneme_dict[word]) == 1
  
file_path: NeMo/nemo/collections/tts/g2p/models/en_us_arpabet.py
imports: import pathlib
  import random
  import re
  import time
  from typing import Optional
  import nltk
  import torch
  from nemo.collections.common.tokenizers.text_to_speech.tokenizer_utils import english_word_tokenize
  from nemo.collections.tts.g2p.models.base import BaseG2p
  from nemo.utils import logging
  from nemo.utils.get_rank import is_global_rank_zero
label_desc: Use image node_id 4 for calling the EnglishG2p obj's underlying member method code with example usage: obj.is_unique_in_phoneme_dict(word) and returns: unknown