你知道今天是什么特殊的日子吗？
金门纪念八二三炮战五十四周年。[{'character': '金', 'pinyin': 'jin1', 'highest pitch': 10.9, 'lowest pitch': 10.0, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '门', 'pinyin': 'men2', 'highest pitch': 10.9, 'lowest pitch': 8.1, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '纪', 'pinyin': 'ji4', 'highest pitch': 9.6, 'lowest pitch': 8.45, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '念', 'pinyin': 'nian4', 'highest pitch': 13.51, 'lowest pitch': 7.42, 'duration': 0.34, 'prosody hierarchy': '#2'}, {'character': '八', 'pinyin': 'ba1', 'highest pitch': 13.51, 'lowest pitch': 9.3, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '二', 'pinyin': 'er4', 'highest pitch': 9.3, 'lowest pitch': 8.02, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '三', 'pinyin': 'san1', 'highest pitch': 10.33, 'lowest pitch': 8.31, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '炮', 'pinyin': 'pao4', 'highest pitch': 11.11, 'lowest pitch': 8.27, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '战', 'pinyin': 'zhan4', 'highest pitch': 13.72, 'lowest pitch': 7.82, 'duration': 0.23, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.13}, {'character': '五', 'pinyin': 'u3', 'highest pitch': 6.51, 'lowest pitch': 5.52, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '十', 'pinyin': 'shiii2', 'highest pitch': 7.3, 'lowest pitch': 5.69, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '四', 'pinyin': 'sii4', 'highest pitch': 10.5, 'lowest pitch': 7.55, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '周', 'pinyin': 'zhou1', 'highest pitch': 8.28, 'lowest pitch': 7.47, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 7.6, 'lowest pitch': 5.61, 'duration': 0.36, 'prosody hierarchy': '#4'}]