code: def _get_edge_sentences(
      G: AnalysisGraph, source: str, target: str
  ) -> List[str]:
      
  
      return chain.from_iterable(
          [
              [repr(e.text) for e in s.evidence]
              for s in G.edges[source, target]["InfluenceStatements"]
          ]
      )
docs: Return the sentences that led to the construction of a specified edge.
  
      Args:
          G
          source: The source of the edge.
          target: The target of the edge.