你们为什么留在杭州？
葛伟和妈妈、姐姐留在杭州。[{'character': '葛', 'pinyin': 'ge2', 'highest pitch': 10.54, 'lowest pitch': 8.79, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '伟', 'pinyin': 'uei3', 'highest pitch': 10.43, 'lowest pitch': 6.11, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '和', 'pinyin': 'he2', 'highest pitch': 7.98, 'lowest pitch': 6.55, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '妈', 'pinyin': 'ma1', 'highest pitch': 11.31, 'lowest pitch': 7.89, 'duration': 0.3, 'prosody hierarchy': 'null'}, {'character': '妈', 'pinyin': 'ma5', 'highest pitch': 11.3, 'lowest pitch': 8.53, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '姐', 'pinyin': 'jie3', 'highest pitch': 8.11, 'lowest pitch': 3.1, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '姐', 'pinyin': 'jie5', 'highest pitch': 6.97, 'lowest pitch': 6.19, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '留', 'pinyin': 'liou2', 'highest pitch': 6.68, 'lowest pitch': 6.16, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 8.76, 'lowest pitch': 6.68, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '杭', 'pinyin': 'hang2', 'highest pitch': 7.91, 'lowest pitch': 5.56, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '州', 'pinyin': 'zhou1', 'highest pitch': 9.66, 'lowest pitch': 6.78, 'duration': 0.27, 'prosody hierarchy': '#4'}]