code: def _get_sent_rouge_2(
      hypothesis: List[str],
      references: List[List[str]],
      extra_args: Optional[Dict[str, str]] = None,
  ) -> List[float]:
      return _get_sent_rouge(
          hypothesis, references, rouge_type="rouge-2"
      )
  
file_path: vizseq/vizseq/scorers/rouge.py
imports: from typing import List, Optional, Dict
  import rouge
  import nltk
  from vizseq.scorers import register_scorer, VizSeqScorer, VizSeqScore
label_desc: Use image node_id 3 for calling a global function with example usage: _get_sent_rouge_2(hypothesis, references, extra_args) and returns: _get_sent_rouge