code: def newsgroups_train_big():
      return _get_newsgroups(remove_chrome=True, size=1000)
  
file_path: eli5/tests/conftest.py
imports: import pytest
  import numpy
  from sklearn.datasets import fetch_20newsgroups, load_boston, load_iris
  from sklearn.utils import shuffle
label_desc: Use image node_id 4 for calling a global function with example usage: newsgroups_train_big() and returns: _get_newsgroups