code: def _stmt_from_rule(model, rule_name, stmts):
      
      stmt_uuid = None
      for ann in model.annotations:
          if ann.predicate == 'from_indra_statement':
              if ann.subject == rule_name:
                  stmt_uuid = ann.object
                  break
      if stmt_uuid:
          for stmt in stmts:
              if stmt.uuid == stmt_uuid:
                  return stmt
docs: Return the INDRA Statement corresponding to a given rule by name.