经多方勘查，娜娜坠楼有可能是自杀。
经多方勘查，娜娜坠楼排除外力所致。[{'character': '经', 'pinyin': 'jing1', 'highest pitch': 9.56, 'lowest pitch': 9.3, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 10.49, 'lowest pitch': 9.7, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '方', 'pinyin': 'fang1', 'highest pitch': 10.71, 'lowest pitch': 9.7, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '勘', 'pinyin': 'kan1', 'highest pitch': 9.89, 'lowest pitch': 8.27, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '查', 'pinyin': 'cha2', 'highest pitch': 8.27, 'lowest pitch': 5.95, 'duration': 0.32, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.18}, {'character': '娜', 'pinyin': 'na4', 'highest pitch': 10.97, 'lowest pitch': 9.78, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '娜', 'pinyin': 'na5', 'highest pitch': 10.11, 'lowest pitch': 7.75, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '坠', 'pinyin': 'zhuei4', 'highest pitch': 8.75, 'lowest pitch': 7.04, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '楼', 'pinyin': 'lou2', 'highest pitch': 13.57, 'lowest pitch': 6.12, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '排', 'pinyin': 'pai2', 'highest pitch': 13.65, 'lowest pitch': 5.93, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '除', 'pinyin': 'chu2', 'highest pitch': 7.32, 'lowest pitch': 6.29, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '外', 'pinyin': 'uai4', 'highest pitch': 10.03, 'lowest pitch': 7.31, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '力', 'pinyin': 'li4', 'highest pitch': 8.9, 'lowest pitch': 7.0, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '所', 'pinyin': 'suo3', 'highest pitch': 12.91, 'lowest pitch': 3.42, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '致', 'pinyin': 'zhiii4', 'highest pitch': 12.33, 'lowest pitch': 6.68, 'duration': 0.27, 'prosody hierarchy': '#4'}]