真的吗？让我们来研究一下传言的真实性。
有传言称，时任总统办公厅主任的梅德韦杰夫是幕后推手。[{'character': '有', 'pinyin': 'iou3', 'highest pitch': 8.82, 'lowest pitch': 7.57, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '传', 'pinyin': 'chuan2', 'highest pitch': 9.82, 'lowest pitch': 7.57, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '言', 'pinyin': 'ian2', 'highest pitch': 9.82, 'lowest pitch': 7.48, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '称', 'pinyin': 'cheng1', 'highest pitch': 9.82, 'lowest pitch': 8.59, 'duration': 0.34, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.24}, {'character': '时', 'pinyin': 'shiii2', 'highest pitch': 9.52, 'lowest pitch': 8.68, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '任', 'pinyin': 'ren4', 'highest pitch': 10.39, 'lowest pitch': 8.25, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '总', 'pinyin': 'zong2', 'highest pitch': 10.6, 'lowest pitch': 8.25, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '统', 'pinyin': 'tong3', 'highest pitch': 10.6, 'lowest pitch': 6.3, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '办', 'pinyin': 'ban4', 'highest pitch': 9.17, 'lowest pitch': 6.76, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '公', 'pinyin': 'gong1', 'highest pitch': 9.57, 'lowest pitch': 8.13, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '厅', 'pinyin': 'ting1', 'highest pitch': 10.02, 'lowest pitch': 8.97, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '主', 'pinyin': 'zhu3', 'highest pitch': 9.5, 'lowest pitch': 5.6, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '任', 'pinyin': 'ren4', 'highest pitch': 10.39, 'lowest pitch': 5.78, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 6.83, 'lowest pitch': 6.21, 'duration': 0.2, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.09}, {'character': '梅', 'pinyin': 'mei2', 'highest pitch': 10.39, 'lowest pitch': 7.97, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '德', 'pinyin': 'de2', 'highest pitch': 10.32, 'lowest pitch': 9.32, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '韦', 'pinyin': 'uei2', 'highest pitch': 9.32, 'lowest pitch': 8.05, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '杰', 'pinyin': 'jie2', 'highest pitch': 8.57, 'lowest pitch': 6.97, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '夫', 'pinyin': 'fu1', 'highest pitch': 10.39, 'lowest pitch': 8.43, 'duration': 0.32, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.05}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 10.06, 'lowest pitch': 9.38, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '幕', 'pinyin': 'mu4', 'highest pitch': 11.22, 'lowest pitch': 9.38, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '后', 'pinyin': 'hou4', 'highest pitch': 9.99, 'lowest pitch': 7.13, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '推', 'pinyin': 'tuei1', 'highest pitch': 9.26, 'lowest pitch': 7.13, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '手', 'pinyin': 'shou3', 'highest pitch': 8.83, 'lowest pitch': 5.0, 'duration': 0.37, 'prosody hierarchy': '#4'}]