那么这位救人者是谁呢？
同时，街道经多方走访求证，最终确认了救人者就是冯世艮。[{'character': '同', 'pinyin': 'tong2', 'highest pitch': 9.67, 'lowest pitch': 8.32, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '时', 'pinyin': 'shiii2', 'highest pitch': 9.42, 'lowest pitch': 7.7, 'duration': 0.34, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.19}, {'character': '街', 'pinyin': 'jie1', 'highest pitch': 9.9, 'lowest pitch': 8.36, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '道', 'pinyin': 'dao4', 'highest pitch': 9.82, 'lowest pitch': 7.79, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '经', 'pinyin': 'jing1', 'highest pitch': 9.79, 'lowest pitch': 9.54, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 10.71, 'lowest pitch': 10.49, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '方', 'pinyin': 'fang1', 'highest pitch': 10.66, 'lowest pitch': 9.91, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '走', 'pinyin': 'zou2', 'highest pitch': 9.91, 'lowest pitch': 6.88, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '访', 'pinyin': 'fang3', 'highest pitch': 8.61, 'lowest pitch': 5.76, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '求', 'pinyin': 'qiou2', 'highest pitch': 6.59, 'lowest pitch': 5.88, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '证', 'pinyin': 'zheng4', 'highest pitch': 9.39, 'lowest pitch': 6.56, 'duration': 0.25, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.29}, {'character': '最', 'pinyin': 'zuei4', 'highest pitch': 8.3, 'lowest pitch': 6.46, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '终', 'pinyin': 'zhong1', 'highest pitch': 9.04, 'lowest pitch': 6.46, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '确', 'pinyin': 'qve4', 'highest pitch': 11.15, 'lowest pitch': 8.97, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '认', 'pinyin': 'ren4', 'highest pitch': 9.11, 'lowest pitch': 7.99, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 7.99, 'lowest pitch': 6.95, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '救', 'pinyin': 'jiou4', 'highest pitch': 10.27, 'lowest pitch': 6.95, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 7.65, 'lowest pitch': 6.05, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '者', 'pinyin': 'zhe3', 'highest pitch': 13.78, 'lowest pitch': 4.54, 'duration': 0.27, 'prosody hierarchy': '#1'}, {'character': '就', 'pinyin': 'jiou4', 'highest pitch': 10.27, 'lowest pitch': 8.49, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 10.48, 'lowest pitch': 7.43, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '冯', 'pinyin': 'feng2', 'highest pitch': 9.22, 'lowest pitch': 6.67, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '世', 'pinyin': 'shiii4', 'highest pitch': 10.48, 'lowest pitch': 9.22, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '艮', 'pinyin': 'gen4', 'highest pitch': 10.44, 'lowest pitch': 5.89, 'duration': 0.26, 'prosody hierarchy': '#4'}]