docstr: Returns a debug sample for coref.
  :return ~textflint.input.component.sample.CorefSample: A CorefSample
docstr_tok: ["Returns","a","debug","sample","for","coref",".",":","return","~textflint.input.component.sample.CorefSample",":","A","CorefSample"]
code: def coref_sample1():
      r"""Returns a debug sample for coref.
      :return ~textflint.input.component.sample.CorefSample: A CorefSample
      """
      sens = [
          CorefDebug.words("I love my pet Anna ."),
          CorefDebug.words("She is my favorite ."),
      ]
      clusters = [[[2, 3], [4, 4], [6, 6]]]
      return CorefDebug.make_sample_from_sentences_and_clusters(
          sens, clusters, "1"
      )
  
file_path: textflint/test/data/coref_debug.py
imports: from textflint.common.utils.fp_utils import concat
  from textflint.input.component.sample.coref_sample import *
label_desc: Use image node_id 4 for calling the CorefDebug obj's underlying member method code with example usage: obj.coref_sample1() and returns: CorefDebug