code: def exact_match(prediction, ground_truth):
      return prediction == ground_truth
  
imports: from subprocess import Popen, PIPE, CalledProcessError
  import json
  from text.torchtext.datasets.generic import Query
  import logging
  import os
  import re
  import string
  import numpy
  import collections
  from multiprocessing import Pool, cpu_count
  from contextlib import closing
  from pyrouge import Rouge155
  from sacrebleu import corpus_bleu
label_desc: Use image node_id 8 for calling a global function with example usage: exact_match(prediction, ground_truth) and returns: unknown