"我不知道电梯在哪里。"
该保安为记者打开电梯，“护送”记者下楼。[{'character': '该', 'pinyin': 'gai1', 'highest pitch': 10.68, 'lowest pitch': 9.61, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '保', 'pinyin': 'bao3', 'highest pitch': 9.88, 'lowest pitch': 9.43, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '安', 'pinyin': 'an1', 'highest pitch': 9.02, 'lowest pitch': 8.22, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '为', 'pinyin': 'uei4', 'highest pitch': 9.09, 'lowest pitch': 7.22, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '记', 'pinyin': 'ji4', 'highest pitch': 8.58, 'lowest pitch': 6.83, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '者', 'pinyin': 'zhe2', 'highest pitch': 8.56, 'lowest pitch': 6.7, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '打', 'pinyin': 'da3', 'highest pitch': 5.31, 'lowest pitch': 4.93, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '开', 'pinyin': 'kai1', 'highest pitch': 7.82, 'lowest pitch': 5.31, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '电', 'pinyin': 'dian4', 'highest pitch': 8.59, 'lowest pitch': 6.69, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '梯', 'pinyin': 'ti1', 'highest pitch': 8.71, 'lowest pitch': 8.37, 'duration': 0.24, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.12}, {'character': '护', 'pinyin': 'hu4', 'highest pitch': 11.15, 'lowest pitch': 10.45, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '送', 'pinyin': 'song4', 'highest pitch': 9.77, 'lowest pitch': 8.14, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '记', 'pinyin': 'ji4', 'highest pitch': 8.58, 'lowest pitch': 7.24, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '者', 'pinyin': 'zhe3', 'highest pitch': 6.8, 'lowest pitch': 5.01, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 7.93, 'lowest pitch': 6.59, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '楼', 'pinyin': 'lou2', 'highest pitch': 7.31, 'lowest pitch': 5.48, 'duration': 0.35, 'prosody hierarchy': '#4'}]