code: def _assemble_influence(stmt):
      
      subj_str = _assemble_agent_str(stmt.subj.concept)
      obj_str = _assemble_agent_str(stmt.obj.concept)
  
      # Note that n is prepended to increase to make it "an increase"
      if stmt.subj.delta['polarity'] is not None:
          subj_delta_str = ' decrease' if stmt.subj.delta['polarity'] == -1 \
              else 'n increase'
          subj_str = 'a%s in %s' % (subj_delta_str, subj_str)
  
      if stmt.obj.delta['polarity'] is not None:
          obj_delta_str = ' decrease' if stmt.obj.delta['polarity'] == -1 \
              else 'n increase'
          obj_str = 'a%s in %s' % (obj_delta_str, obj_str)
  
      stmt_str = '%s causes %s' % (subj_str, obj_str)
      return _make_sentence(stmt_str)
docs: Assemble an Influence statement into text.