你应该提供证据证明你的无罪。
受审时，阮某自认无罪。[{'character': '受', 'pinyin': 'shou4', 'highest pitch': 11.69, 'lowest pitch': 9.88, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '审', 'pinyin': 'shen3', 'highest pitch': 9.88, 'lowest pitch': 5.21, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '时', 'pinyin': 'shiii2', 'highest pitch': 7.47, 'lowest pitch': 5.21, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.09}, {'character': '阮', 'pinyin': 'ruan2', 'highest pitch': 7.82, 'lowest pitch': 6.14, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '某', 'pinyin': 'mou3', 'highest pitch': 7.98, 'lowest pitch': 4.94, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '自', 'pinyin': 'zii4', 'highest pitch': 9.61, 'lowest pitch': 8.65, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '认', 'pinyin': 'ren4', 'highest pitch': 8.83, 'lowest pitch': 6.18, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '无', 'pinyin': 'u2', 'highest pitch': 6.55, 'lowest pitch': 4.68, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '罪', 'pinyin': 'zuei4', 'highest pitch': 10.67, 'lowest pitch': 5.88, 'duration': 0.32, 'prosody hierarchy': '#4'}]