啊，那真是太危险了！
民警解开绳子救了男孩。[{'character': '民', 'pinyin': 'min2', 'highest pitch': 9.6, 'lowest pitch': 8.32, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '警', 'pinyin': 'jing2', 'highest pitch': 9.47, 'lowest pitch': 8.41, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '解', 'pinyin': 'jie3', 'highest pitch': 13.58, 'lowest pitch': 8.54, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '开', 'pinyin': 'kai1', 'highest pitch': 10.64, 'lowest pitch': 8.86, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '绳', 'pinyin': 'sheng2', 'highest pitch': 10.54, 'lowest pitch': 6.47, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '子', 'pinyin': 'zii5', 'highest pitch': 8.8, 'lowest pitch': 7.29, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '救', 'pinyin': 'jiou4', 'highest pitch': 11.08, 'lowest pitch': 7.29, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 10.37, 'lowest pitch': 7.64, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '男', 'pinyin': 'nan2', 'highest pitch': 7.64, 'lowest pitch': 6.14, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '孩', 'pinyin': 'hai2', 'highest pitch': 7.46, 'lowest pitch': 5.37, 'duration': 0.39, 'prosody hierarchy': '#4'}]