我们应该去哪里找线索呢？
他们在汉堡爱斯布图勒区发现端倪。[{'character': '他', 'pinyin': 'ta1', 'highest pitch': 10.14, 'lowest pitch': 9.85, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '们', 'pinyin': 'men5', 'highest pitch': 9.85, 'lowest pitch': 8.35, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 9.77, 'lowest pitch': 7.91, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '汉', 'pinyin': 'han4', 'highest pitch': 11.18, 'lowest pitch': 8.6, 'duration': 0.29, 'prosody hierarchy': 'null'}, {'character': '堡', 'pinyin': 'bao3', 'highest pitch': 11.95, 'lowest pitch': 5.57, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '爱', 'pinyin': 'ai4', 'highest pitch': 9.5, 'lowest pitch': 8.99, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '斯', 'pinyin': 'sii1', 'highest pitch': 10.29, 'lowest pitch': 9.27, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '布', 'pinyin': 'bu4', 'highest pitch': 10.12, 'lowest pitch': 7.51, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '图', 'pinyin': 'tu2', 'highest pitch': 8.19, 'lowest pitch': 7.51, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '勒', 'pinyin': 'le4', 'highest pitch': 10.47, 'lowest pitch': 7.62, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '区', 'pinyin': 'qv1', 'highest pitch': 11.93, 'lowest pitch': 7.62, 'duration': 0.35, 'prosody hierarchy': '#2'}, {'character': '发', 'pinyin': 'fa1', 'highest pitch': 8.82, 'lowest pitch': 7.73, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '现', 'pinyin': 'xian4', 'highest pitch': 8.39, 'lowest pitch': 6.62, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '端', 'pinyin': 'duan1', 'highest pitch': 9.12, 'lowest pitch': 8.55, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '倪', 'pinyin': 'ni2', 'highest pitch': 8.8, 'lowest pitch': 6.02, 'duration': 0.28, 'prosody hierarchy': '#4'}]