code: def exact_match(guess, answers):
      """
      Check if guess is a (normalized) exact match with any answer.
      """
      if guess is None or answers is None:
          return False
      guess = normalize_answer(guess)
      for a in answers:
          if guess == normalize_answer(a):
              return True
      return False
  
file_path: ParlAI/parlai/crowdsourcing/utils/acceptability.py
imports: import re
  from typing import Iterable, List
  from parlai.utils.safety import OffensiveStringMatcher
label_desc: Use image node_id 2 for calling a global function with example usage: exact_match(guess, answers) and returns: False, False, True