这个项目的成本是多少？
鲜果给出的答案是，费用为零。[{'character': '鲜', 'pinyin': 'xian1', 'highest pitch': 10.88, 'lowest pitch': 10.2, 'duration': 0.29, 'prosody hierarchy': 'null'}, {'character': '果', 'pinyin': 'guo2', 'highest pitch': 10.2, 'lowest pitch': 8.28, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '给', 'pinyin': 'gei3', 'highest pitch': 9.1, 'lowest pitch': 5.96, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '出', 'pinyin': 'chu1', 'highest pitch': 8.76, 'lowest pitch': 5.99, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.38, 'lowest pitch': 7.19, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '答', 'pinyin': 'da2', 'highest pitch': 7.19, 'lowest pitch': 6.1, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '案', 'pinyin': 'an4', 'highest pitch': 7.74, 'lowest pitch': 7.1, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 11.63, 'lowest pitch': 7.15, 'duration': 0.24, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.16}, {'character': '费', 'pinyin': 'fei4', 'highest pitch': 10.78, 'lowest pitch': 9.88, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 9.88, 'lowest pitch': 6.95, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '为', 'pinyin': 'uei2', 'highest pitch': 9.28, 'lowest pitch': 6.74, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '零', 'pinyin': 'ling2', 'highest pitch': 9.29, 'lowest pitch': 6.02, 'duration': 0.36, 'prosody hierarchy': '#4'}]