这是为什么天上有那么多闪光和噪音？
原因就是烟花爆竹引起。[{'character': '原', 'pinyin': 'van2', 'highest pitch': 8.45, 'lowest pitch': 7.22, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '因', 'pinyin': 'in1', 'highest pitch': 10.54, 'lowest pitch': 8.45, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '就', 'pinyin': 'jiou4', 'highest pitch': 10.54, 'lowest pitch': 8.61, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 8.61, 'lowest pitch': 7.39, 'duration': 0.21, 'prosody hierarchy': '#2'}, {'character': '烟', 'pinyin': 'ian1', 'highest pitch': 9.43, 'lowest pitch': 7.18, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '花', 'pinyin': 'hua1', 'highest pitch': 10.34, 'lowest pitch': 9.43, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '爆', 'pinyin': 'bao4', 'highest pitch': 11.37, 'lowest pitch': 8.14, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '竹', 'pinyin': 'zhu2', 'highest pitch': 8.14, 'lowest pitch': 7.2, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '引', 'pinyin': 'in2', 'highest pitch': 7.2, 'lowest pitch': 5.57, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '起', 'pinyin': 'qi3', 'highest pitch': 7.14, 'lowest pitch': 3.87, 'duration': 0.3, 'prosody hierarchy': '#4'}]