@staticmethod
def judge_postag(netag):
    """根据命名实体识别结果判断该连接实体的词性标注
        Args:
            netag: string，该词的词性标注
        Returns:
            entity_postag: string，判别得到的该连接实体的词性
        """
    entity_postag = ''
    if '-Ns' in netag:
        entity_postag = 'ns'
    elif '-Ni' in netag:
        entity_postag = 'ni'
    elif '-Nh' in netag:
        entity_postag = 'nh'
    return entity_postag
