真的吗？我之前听说这个问题已经解决了。
国家农业部发现“皮革奶粉”死灰复燃。[{'character': '国', 'pinyin': 'guo2', 'highest pitch': 8.42, 'lowest pitch': 7.92, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '家', 'pinyin': 'jia1', 'highest pitch': 10.83, 'lowest pitch': 10.42, 'duration': 0.21, 'prosody hierarchy': '#2'}, {'character': '农', 'pinyin': 'nong2', 'highest pitch': 10.69, 'lowest pitch': 7.92, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '业', 'pinyin': 'ie4', 'highest pitch': 10.53, 'lowest pitch': 8.24, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '部', 'pinyin': 'bu4', 'highest pitch': 9.26, 'lowest pitch': 7.51, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '发', 'pinyin': 'fa1', 'highest pitch': 8.66, 'lowest pitch': 7.47, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '现', 'pinyin': 'xian4', 'highest pitch': 8.57, 'lowest pitch': 6.07, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.11}, {'character': '皮', 'pinyin': 'pi2', 'highest pitch': 10.29, 'lowest pitch': 8.24, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '革', 'pinyin': 'ge2', 'highest pitch': 10.32, 'lowest pitch': 9.01, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '奶', 'pinyin': 'nai2', 'highest pitch': 9.98, 'lowest pitch': 7.09, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '粉', 'pinyin': 'fen3', 'highest pitch': 9.98, 'lowest pitch': 4.26, 'duration': 0.27, 'prosody hierarchy': '#1'}, {'character': '死', 'pinyin': 'sii3', 'highest pitch': 6.25, 'lowest pitch': 4.74, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '灰', 'pinyin': 'huei1', 'highest pitch': 9.82, 'lowest pitch': 4.9, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '复', 'pinyin': 'fu4', 'highest pitch': 10.33, 'lowest pitch': 7.49, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '燃', 'pinyin': 'ran2', 'highest pitch': 8.19, 'lowest pitch': 5.18, 'duration': 0.36, 'prosody hierarchy': '#4'}]