他们为什么要反对？
某次宣讲，日方反对者用喇叭对着会场高声抗议。[{'character': '某', 'pinyin': 'mou3', 'highest pitch': 8.3, 'lowest pitch': 7.61, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 9.74, 'lowest pitch': 7.75, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '宣', 'pinyin': 'xvan1', 'highest pitch': 10.69, 'lowest pitch': 9.04, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '讲', 'pinyin': 'jiang3', 'highest pitch': 10.69, 'lowest pitch': 4.78, 'duration': 0.32, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.29}, {'character': '日', 'pinyin': 'riii4', 'highest pitch': 9.94, 'lowest pitch': 9.04, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '方', 'pinyin': 'fang1', 'highest pitch': 10.28, 'lowest pitch': 9.04, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '反', 'pinyin': 'fan3', 'highest pitch': 10.23, 'lowest pitch': 5.82, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '对', 'pinyin': 'duei4', 'highest pitch': 9.97, 'lowest pitch': 6.28, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '者', 'pinyin': 'zhe3', 'highest pitch': 6.97, 'lowest pitch': 4.39, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 8.13, 'lowest pitch': 6.93, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '喇', 'pinyin': 'la3', 'highest pitch': 7.15, 'lowest pitch': 4.17, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '叭', 'pinyin': 'ba5', 'highest pitch': 6.67, 'lowest pitch': 5.84, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '对', 'pinyin': 'duei4', 'highest pitch': 9.97, 'lowest pitch': 6.87, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '着', 'pinyin': 'zhe5', 'highest pitch': 7.31, 'lowest pitch': 6.83, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '会', 'pinyin': 'huei4', 'highest pitch': 9.78, 'lowest pitch': 7.08, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '场', 'pinyin': 'chang3', 'highest pitch': 7.08, 'lowest pitch': 4.56, 'duration': 0.3, 'prosody hierarchy': '#1'}, {'character': '高', 'pinyin': 'gao1', 'highest pitch': 9.43, 'lowest pitch': 8.43, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '声', 'pinyin': 'sheng1', 'highest pitch': 10.32, 'lowest pitch': 9.38, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '抗', 'pinyin': 'kang4', 'highest pitch': 11.32, 'lowest pitch': 7.39, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '议', 'pinyin': 'i4', 'highest pitch': 7.39, 'lowest pitch': 3.83, 'duration': 0.22, 'prosody hierarchy': '#4'}]