那出轨的原因是什么呢？
他认为，此次列车出轨与轨道多弯无关。[{'character': '他', 'pinyin': 'ta1', 'highest pitch': 11.03, 'lowest pitch': 10.55, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '认', 'pinyin': 'ren4', 'highest pitch': 10.87, 'lowest pitch': 8.73, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '为', 'pinyin': 'uei2', 'highest pitch': 9.48, 'lowest pitch': 7.55, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.21}, {'character': '此', 'pinyin': 'cii3', 'highest pitch': 8.43, 'lowest pitch': 7.04, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 11.06, 'lowest pitch': 7.04, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '列', 'pinyin': 'lie4', 'highest pitch': 10.21, 'lowest pitch': 8.05, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '车', 'pinyin': 'che1', 'highest pitch': 9.44, 'lowest pitch': 8.05, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '出', 'pinyin': 'chu1', 'highest pitch': 10.02, 'lowest pitch': 9.23, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '轨', 'pinyin': 'guei3', 'highest pitch': 8.22, 'lowest pitch': 5.85, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '与', 'pinyin': 'v2', 'highest pitch': 9.47, 'lowest pitch': 8.43, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '轨', 'pinyin': 'guei3', 'highest pitch': 8.22, 'lowest pitch': 5.78, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '道', 'pinyin': 'dao4', 'highest pitch': 8.07, 'lowest pitch': 7.27, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 9.76, 'lowest pitch': 9.0, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '弯', 'pinyin': 'uan1', 'highest pitch': 9.92, 'lowest pitch': 8.84, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '无', 'pinyin': 'u2', 'highest pitch': 8.84, 'lowest pitch': 6.67, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '关', 'pinyin': 'guan1', 'highest pitch': 9.48, 'lowest pitch': 9.25, 'duration': 0.3, 'prosody hierarchy': '#4'}]