code: def compute(guess: str, answers: List[str]) -> Optional["InMetric"]:
      if guess is None or answers is None:
          return None
      guess = normalize_answer(guess)
      for a in answers:
          if normalize_answer(a) in guess:
              return InMetric(1)
      return InMetric(0)
  
imports: import copy
  import os
  import json
  import jsonlines
  from typing import List, Optional, Tuple
  from parlai.core.teachers import ChunkTeacher, DialogTeacher
  from .build import build, DATASET_NAME_LOCAL, build_sample
  from .build_open import build
  from .utils.text_utils import simplify_nq_example
  from parlai.core.opt import Opt
  from parlai.core.message import Message
  from parlai.core.metrics import ExactMatchMetric, normalize_answer, AverageMetric
  from parlai.core.params import ParlaiParser
  from parlai.utils.data import DatatypeHelper
  from parlai.utils.io import PathManager
  import parlai.utils.logging
label_desc: Use image node_id 1 for calling the InMetric obj's underlying member method code with example usage: obj.compute(guess, answers) and returns: InMetric, None, InMetric