嗯，这棵树怎么变得如此糟糕了呢？
几年前，右边的母树被雷劈死了，随后，这棵公树也就慢慢枯萎。[{'character': '几', 'pinyin': 'ji3', 'highest pitch': 9.34, 'lowest pitch': 8.54, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 10.72, 'lowest pitch': 8.54, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '前', 'pinyin': 'qian2', 'highest pitch': 10.69, 'lowest pitch': 7.35, 'duration': 0.4, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.18}, {'character': '右', 'pinyin': 'iou4', 'highest pitch': 11.34, 'lowest pitch': 9.66, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '边', 'pinyin': 'bian1', 'highest pitch': 10.52, 'lowest pitch': 10.16, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 10.71, 'lowest pitch': 9.39, 'duration': 0.09, 'prosody hierarchy': '#1'}, {'character': '母', 'pinyin': 'mu3', 'highest pitch': 9.39, 'lowest pitch': 5.72, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '树', 'pinyin': 'shu4', 'highest pitch': 12.66, 'lowest pitch': 5.77, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '被', 'pinyin': 'bei4', 'highest pitch': 9.43, 'lowest pitch': 7.63, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '雷', 'pinyin': 'lei2', 'highest pitch': 8.15, 'lowest pitch': 6.91, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '劈', 'pinyin': 'pi1', 'highest pitch': 11.04, 'lowest pitch': 10.46, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '死', 'pinyin': 'sii3', 'highest pitch': 10.83, 'lowest pitch': 4.52, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 6.14, 'lowest pitch': 4.63, 'duration': 0.22, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.4}, {'character': '随', 'pinyin': 'suei2', 'highest pitch': 7.78, 'lowest pitch': 6.72, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '后', 'pinyin': 'hou4', 'highest pitch': 8.99, 'lowest pitch': 6.3, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.1}, {'character': '这', 'pinyin': 'zhe4', 'highest pitch': 9.49, 'lowest pitch': 7.56, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '棵', 'pinyin': 'ke1', 'highest pitch': 8.9, 'lowest pitch': 7.56, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '公', 'pinyin': 'gong1', 'highest pitch': 10.23, 'lowest pitch': 7.87, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '树', 'pinyin': 'shu4', 'highest pitch': 12.66, 'lowest pitch': 7.14, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.12}, {'character': '也', 'pinyin': 'ie3', 'highest pitch': 8.17, 'lowest pitch': 5.77, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '就', 'pinyin': 'jiou4', 'highest pitch': 7.77, 'lowest pitch': 5.77, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '慢', 'pinyin': 'man4', 'highest pitch': 8.96, 'lowest pitch': 7.41, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '慢', 'pinyin': 'man4', 'highest pitch': 8.96, 'lowest pitch': 6.82, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '枯', 'pinyin': 'ku1', 'highest pitch': 13.95, 'lowest pitch': 7.05, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '萎', 'pinyin': 'uei3', 'highest pitch': 10.29, 'lowest pitch': 4.38, 'duration': 0.3, 'prosody hierarchy': '#4'}]