王琛为什么犯罪了？
据警方介绍，王琛交代称作案理由是苦无生活费。[{'character': '据', 'pinyin': 'jv4', 'highest pitch': 9.02, 'lowest pitch': 7.43, 'duration': 0.27, 'prosody hierarchy': '#1'}, {'character': '警', 'pinyin': 'jing3', 'highest pitch': 7.77, 'lowest pitch': 5.34, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '方', 'pinyin': 'fang1', 'highest pitch': 9.6, 'lowest pitch': 5.75, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '介', 'pinyin': 'jie4', 'highest pitch': 9.84, 'lowest pitch': 8.04, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '绍', 'pinyin': 'shao4', 'highest pitch': 8.2, 'lowest pitch': 5.25, 'duration': 0.3, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.34}, {'character': '王', 'pinyin': 'uang2', 'highest pitch': 8.66, 'lowest pitch': 6.59, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '琛', 'pinyin': 'chen1', 'highest pitch': 10.06, 'lowest pitch': 8.66, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '交', 'pinyin': 'jiao1', 'highest pitch': 10.09, 'lowest pitch': 8.01, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '代', 'pinyin': 'dai4', 'highest pitch': 8.35, 'lowest pitch': 6.14, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '称', 'pinyin': 'cheng1', 'highest pitch': 8.2, 'lowest pitch': 6.14, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'character': '作', 'pinyin': 'zuo4', 'highest pitch': 10.52, 'lowest pitch': 10.06, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '案', 'pinyin': 'an4', 'highest pitch': 10.06, 'lowest pitch': 7.29, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '理', 'pinyin': 'li3', 'highest pitch': 7.29, 'lowest pitch': 4.29, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '由', 'pinyin': 'iou2', 'highest pitch': 7.59, 'lowest pitch': 4.29, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 14.32, 'lowest pitch': 6.39, 'duration': 0.31, 'prosody hierarchy': '#1'}, {'character': '苦', 'pinyin': 'ku3', 'highest pitch': 12.81, 'lowest pitch': 5.63, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '无', 'pinyin': 'u2', 'highest pitch': 6.58, 'lowest pitch': 4.47, 'duration': 0.26, 'prosody hierarchy': '#1'}, {'character': '生', 'pinyin': 'sheng1', 'highest pitch': 10.07, 'lowest pitch': 6.58, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '活', 'pinyin': 'huo2', 'highest pitch': 13.69, 'lowest pitch': 4.98, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '费', 'pinyin': 'fei4', 'highest pitch': 13.05, 'lowest pitch': 4.87, 'duration': 0.28, 'prosody hierarchy': '#4'}]