这些示威者的背后是谁？
甘迪勒没有说明这些示威者由哪方收买。[{'character': '甘', 'pinyin': 'gan1', 'highest pitch': 10.97, 'lowest pitch': 10.65, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '迪', 'pinyin': 'di2', 'highest pitch': 9.95, 'lowest pitch': 7.76, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '勒', 'pinyin': 'le4', 'highest pitch': 10.19, 'lowest pitch': 7.61, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '没', 'pinyin': 'mei2', 'highest pitch': 10.46, 'lowest pitch': 6.32, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 10.97, 'lowest pitch': 7.58, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '说', 'pinyin': 'shuo1', 'highest pitch': 8.81, 'lowest pitch': 7.96, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '明', 'pinyin': 'ming2', 'highest pitch': 7.96, 'lowest pitch': 6.27, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '这', 'pinyin': 'zhe4', 'highest pitch': 8.59, 'lowest pitch': 6.62, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '些', 'pinyin': 'xie1', 'highest pitch': 7.93, 'lowest pitch': 6.66, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '示', 'pinyin': 'shiii4', 'highest pitch': 8.27, 'lowest pitch': 7.08, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '威', 'pinyin': 'uei1', 'highest pitch': 8.11, 'lowest pitch': 7.08, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '者', 'pinyin': 'zhe3', 'highest pitch': 6.82, 'lowest pitch': 4.03, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.1}, {'character': '由', 'pinyin': 'iou2', 'highest pitch': 7.93, 'lowest pitch': 6.6, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '哪', 'pinyin': 'na3', 'highest pitch': 8.12, 'lowest pitch': 4.76, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '方', 'pinyin': 'fang1', 'highest pitch': 9.33, 'lowest pitch': 8.31, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '收', 'pinyin': 'shou1', 'highest pitch': 8.74, 'lowest pitch': 6.89, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '买', 'pinyin': 'mai3', 'highest pitch': 6.89, 'lowest pitch': 5.54, 'duration': 0.29, 'prosody hierarchy': '#4'}]