chunk_content: is for a token that is not part of an entity.
  
  
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  {
      "O": 0,
      "B-DNA": 1,
      "I-DNA": 2,
      "B-protein": 3,
      "I-protein": 4,
      "B-cell_type": 5,
      "I-cell_type": 6,
      "B-cell_line": 7,
      "I-cell_line": 8,
      "B-RNA": 9,
      "I-RNA": 10,
  }
  Then load the seqeval framework which includes several metrics - precision, accuracy, F1, and recall - for evaluating sequence labeling tasks.
  
  
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  seqeval = evaluate.load("seqev