这是个严重的事故。
据介绍，本次事故疑似与学生吃的食堂月饼有关。[{'character': '据', 'pinyin': 'jv4', 'highest pitch': 10.57, 'lowest pitch': 8.89, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '介', 'pinyin': 'jie4', 'highest pitch': 9.8, 'lowest pitch': 8.55, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '绍', 'pinyin': 'shao4', 'highest pitch': 9.25, 'lowest pitch': 6.25, 'duration': 0.31, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.17}, {'character': '本', 'pinyin': 'ben3', 'highest pitch': 8.57, 'lowest pitch': 6.62, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 11.52, 'lowest pitch': 6.85, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '事', 'pinyin': 'shiii4', 'highest pitch': 10.18, 'lowest pitch': 7.54, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '故', 'pinyin': 'gu4', 'highest pitch': 8.75, 'lowest pitch': 6.31, 'duration': 0.21, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.14}, {'character': '疑', 'pinyin': 'i2', 'highest pitch': 8.59, 'lowest pitch': 7.35, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '似', 'pinyin': 'sii4', 'highest pitch': 8.59, 'lowest pitch': 7.23, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '与', 'pinyin': 'v3', 'highest pitch': 7.23, 'lowest pitch': 5.53, 'duration': 0.18, 'prosody hierarchy': '#2'}, {'character': '学', 'pinyin': 'xve2', 'highest pitch': 7.67, 'lowest pitch': 7.12, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '生', 'pinyin': 'sheng1', 'highest pitch': 10.24, 'lowest pitch': 9.76, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '吃', 'pinyin': 'chiii1', 'highest pitch': 10.23, 'lowest pitch': 8.85, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 9.38, 'lowest pitch': 7.91, 'duration': 0.16, 'prosody hierarchy': '#2'}, {'character': '食', 'pinyin': 'shiii2', 'highest pitch': 9.88, 'lowest pitch': 8.67, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '堂', 'pinyin': 'tang2', 'highest pitch': 9.89, 'lowest pitch': 8.19, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '月', 'pinyin': 've4', 'highest pitch': 10.62, 'lowest pitch': 6.81, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '饼', 'pinyin': 'bing2', 'highest pitch': 9.9, 'lowest pitch': 5.8, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 9.9, 'lowest pitch': 3.81, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '关', 'pinyin': 'guan1', 'highest pitch': 7.48, 'lowest pitch': 3.81, 'duration': 0.34, 'prosody hierarchy': '#4'}]