妈妈，发生了什么事情？
他的母亲魏春坐在地上，已经哭得喉咙沙哑。[{'character': '他', 'pinyin': 'ta1', 'highest pitch': 9.76, 'lowest pitch': 8.73, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 9.64, 'lowest pitch': 8.73, 'duration': 0.09, 'prosody hierarchy': '#1'}, {'character': '母', 'pinyin': 'mu3', 'highest pitch': 9.03, 'lowest pitch': 6.03, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '亲', 'pinyin': 'qin1', 'highest pitch': 9.76, 'lowest pitch': 6.19, 'duration': 0.27, 'prosody hierarchy': '#1'}, {'character': '魏', 'pinyin': 'uei4', 'highest pitch': 10.36, 'lowest pitch': 7.16, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '春', 'pinyin': 'chuen1', 'highest pitch': 10.05, 'lowest pitch': 7.16, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '坐', 'pinyin': 'zuo4', 'highest pitch': 9.82, 'lowest pitch': 7.56, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 7.82, 'lowest pitch': 7.01, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '地', 'pinyin': 'di4', 'highest pitch': 9.51, 'lowest pitch': 7.36, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 7.36, 'lowest pitch': 4.82, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.27}, {'character': '已', 'pinyin': 'i3', 'highest pitch': 7.07, 'lowest pitch': 5.73, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '经', 'pinyin': 'jing1', 'highest pitch': 7.52, 'lowest pitch': 5.73, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '哭', 'pinyin': 'ku1', 'highest pitch': 13.62, 'lowest pitch': 7.37, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '得', 'pinyin': 'de5', 'highest pitch': 9.64, 'lowest pitch': 6.96, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '喉', 'pinyin': 'hou2', 'highest pitch': 7.68, 'lowest pitch': 6.69, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '咙', 'pinyin': 'long2', 'highest pitch': 8.4, 'lowest pitch': 7.68, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '沙', 'pinyin': 'sha1', 'highest pitch': 10.27, 'lowest pitch': 9.64, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '哑', 'pinyin': 'ia3', 'highest pitch': 9.85, 'lowest pitch': 8.5, 'duration': 0.29, 'prosody hierarchy': '#4'}]