那么你的姓氏是什么呢？
妹妹姓谢，姐姐当然姓谢了。[{'character': '妹', 'pinyin': 'mei4', 'highest pitch': 11.61, 'lowest pitch': 10.05, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '妹', 'pinyin': 'mei5', 'highest pitch': 10.87, 'lowest pitch': 7.39, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '姓', 'pinyin': 'xing4', 'highest pitch': 8.44, 'lowest pitch': 7.13, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '谢', 'pinyin': 'xie4', 'highest pitch': 14.01, 'lowest pitch': 6.77, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.1}, {'character': '姐', 'pinyin': 'jie3', 'highest pitch': 6.95, 'lowest pitch': 4.37, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '姐', 'pinyin': 'jie5', 'highest pitch': 5.83, 'lowest pitch': 4.37, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '当', 'pinyin': 'dang1', 'highest pitch': 10.9, 'lowest pitch': 5.7, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '然', 'pinyin': 'ran2', 'highest pitch': 10.9, 'lowest pitch': 7.13, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '姓', 'pinyin': 'xing4', 'highest pitch': 8.44, 'lowest pitch': 7.46, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '谢', 'pinyin': 'xie4', 'highest pitch': 14.01, 'lowest pitch': 6.93, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 6.93, 'lowest pitch': 5.84, 'duration': 0.24, 'prosody hierarchy': '#4'}]