code: def proc_dev(article):
      """Flatten each article in dev data"""
      rows = []
      for paragraph in article["paragraphs"]:
          context = paragraph["context"]
          for qa in paragraph["qas"]:
              id_, question, answers = (
                  qa["id"],
                  qa["question"],
                  qa["answers"],
              )
              answers = [a["text"] for a in answers]
              rows.append((id_, context, question, answers))
      return rows
  
imports: import re
  import json
  import spacy
  import msgpack
  import unicodedata
  import numpy
  import pandas
  import argparse
  import collections
  import multiprocessing
  from concurrent.futures import ProcessPoolExecutor
  import logging
label_desc: Use image node_id 5 for calling a global function with example usage: proc_dev(article) and returns: rows