code: def remove_possible_title_from_text(
      text: str,
      title: str,
      min_title_length: int = 3,
      overlap_ratio: float = 0.5,
  ) -> str:
      """
      Remove title from text document.
  
      :param text:
          text string
      :param title:
          title to remove
      :param min_title_length:
          minimum length of title to remove
      :param overlap_ratio:
          minimum ratio required to remove.
  
      :return cleaned:
          return cleaned text
      """
  
      def _high_intersection(s1, s2):
          return len(s1.intersection(s2)) > overlap_ratio * len(s2)
  
      titile_tokesn = set(title.lower().split(" "))
      if (len(titile_tokesn) < min_title_length) or (
          len(text) <= len(title)
      ):
          return text
      text_beginning_tokens = set(text.lower().split(" "))
      if _high_intersection(text_beginning_tokens, titile_tokesn):
          text = text[len(title) :]
      return text
  
file_path: ParlAI/projects/seeker/utils.py
imports: from collections import Counter
  from enum import Enum
  import torch
  from typing import Callable, List, Tuple
  from parlai.core.torch_agent import Batch
  from parlai.tasks.wizard_of_wikipedia.agents import TOKEN_KNOWLEDGE, TOKEN_END_KNOWLEDGE
  import parlai.utils.logging
label_desc: Use image node_id 7 for calling a global function with example usage: remove_possible_title_from_text(text, title, min_title_length, overlap_ratio) and returns: text, unknown, text