为什么他可以被释放？
现因执行刑满予以释放。[{'character': '现', 'pinyin': 'xian4', 'highest pitch': 10.28, 'lowest pitch': 8.94, 'duration': 0.29, 'prosody hierarchy': 'null'}, {'character': '因', 'pinyin': 'in1', 'highest pitch': 9.85, 'lowest pitch': 8.94, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '执', 'pinyin': 'zhiii2', 'highest pitch': 10.37, 'lowest pitch': 9.15, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '行', 'pinyin': 'xing2', 'highest pitch': 10.28, 'lowest pitch': 9.58, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '刑', 'pinyin': 'xing2', 'highest pitch': 10.28, 'lowest pitch': 8.0, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '满', 'pinyin': 'man3', 'highest pitch': 10.3, 'lowest pitch': 4.95, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '予', 'pinyin': 'v2', 'highest pitch': 9.47, 'lowest pitch': 5.33, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '以', 'pinyin': 'i3', 'highest pitch': 9.37, 'lowest pitch': 5.47, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '释', 'pinyin': 'shiii4', 'highest pitch': 9.11, 'lowest pitch': 5.58, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '放', 'pinyin': 'fang4', 'highest pitch': 9.99, 'lowest pitch': 6.46, 'duration': 0.28, 'prosody hierarchy': '#4'}]