小心！鳄鱼很危险！
学生踏上栏杆戏弄鳄鱼。[{'character': '学', 'pinyin': 'xve2', 'highest pitch': 9.66, 'lowest pitch': 8.2, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '生', 'pinyin': 'sheng1', 'highest pitch': 11.2, 'lowest pitch': 9.59, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '踏', 'pinyin': 'ta4', 'highest pitch': 11.19, 'lowest pitch': 9.18, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 9.56, 'lowest pitch': 7.1, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '栏', 'pinyin': 'lan2', 'highest pitch': 8.93, 'lowest pitch': 6.41, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '杆', 'pinyin': 'gan1', 'highest pitch': 10.12, 'lowest pitch': 8.84, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '戏', 'pinyin': 'xi4', 'highest pitch': 10.41, 'lowest pitch': 9.07, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '弄', 'pinyin': 'nong5', 'highest pitch': 9.07, 'lowest pitch': 6.87, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '鳄', 'pinyin': 'e4', 'highest pitch': 9.83, 'lowest pitch': 6.78, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '鱼', 'pinyin': 'v2', 'highest pitch': 8.18, 'lowest pitch': 5.13, 'duration': 0.34, 'prosody hierarchy': '#4'}]