你上次报警的事情我还不太清楚，能告诉我发生了什么吗？
早前陈嘉桓于香港报警，问到当时究竟告谁？[{'character': '早', 'pinyin': 'zao3', 'highest pitch': 8.33, 'lowest pitch': 6.64, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '前', 'pinyin': 'qian2', 'highest pitch': 9.15, 'lowest pitch': 6.64, 'duration': 0.34, 'prosody hierarchy': '#2'}, {'character': '陈', 'pinyin': 'chen2', 'highest pitch': 8.69, 'lowest pitch': 7.98, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '嘉', 'pinyin': 'jia1', 'highest pitch': 10.97, 'lowest pitch': 8.69, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '桓', 'pinyin': 'huan2', 'highest pitch': 9.66, 'lowest pitch': 5.88, 'duration': 0.29, 'prosody hierarchy': '#1'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 8.65, 'lowest pitch': 6.85, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '香', 'pinyin': 'xiang1', 'highest pitch': 10.55, 'lowest pitch': 7.6, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '港', 'pinyin': 'gang3', 'highest pitch': 10.23, 'lowest pitch': 5.83, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '报', 'pinyin': 'bao4', 'highest pitch': 7.64, 'lowest pitch': 5.83, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '警', 'pinyin': 'jing3', 'highest pitch': 6.37, 'lowest pitch': 2.6, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.31}, {'character': '问', 'pinyin': 'uen4', 'highest pitch': 8.47, 'lowest pitch': 7.35, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '到', 'pinyin': 'dao4', 'highest pitch': 7.69, 'lowest pitch': 6.88, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '当', 'pinyin': 'dang1', 'highest pitch': 8.7, 'lowest pitch': 8.14, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '时', 'pinyin': 'shiii2', 'highest pitch': 8.25, 'lowest pitch': 6.5, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '究', 'pinyin': 'jiou1', 'highest pitch': 10.31, 'lowest pitch': 9.9, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '竟', 'pinyin': 'jing4', 'highest pitch': 10.06, 'lowest pitch': 8.48, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '告', 'pinyin': 'gao4', 'highest pitch': 10.56, 'lowest pitch': 8.29, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '谁', 'pinyin': 'shuei2', 'highest pitch': 8.29, 'lowest pitch': 5.4, 'duration': 0.36, 'prosody hierarchy': '#4'}]