哇，这是什么情况？
上百名穿蓝棉袄、戴雷锋帽的大学生出现在验票口前。[{'character': '上', 'pinyin': 'shang4', 'highest pitch': 11.3, 'lowest pitch': 9.9, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '百', 'pinyin': 'bai3', 'highest pitch': 9.52, 'lowest pitch': 6.05, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '名', 'pinyin': 'ming2', 'highest pitch': 8.41, 'lowest pitch': 5.92, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '穿', 'pinyin': 'chuan1', 'highest pitch': 9.43, 'lowest pitch': 8.41, 'duration': 0.27, 'prosody hierarchy': '#1'}, {'character': '蓝', 'pinyin': 'lan2', 'highest pitch': 10.33, 'lowest pitch': 7.57, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '棉', 'pinyin': 'mian2', 'highest pitch': 10.33, 'lowest pitch': 7.82, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '袄', 'pinyin': 'ao3', 'highest pitch': 7.82, 'lowest pitch': 3.27, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.04}, {'character': '戴', 'pinyin': 'dai4', 'highest pitch': 9.17, 'lowest pitch': 7.72, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '雷', 'pinyin': 'lei2', 'highest pitch': 8.2, 'lowest pitch': 6.92, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '锋', 'pinyin': 'feng1', 'highest pitch': 10.22, 'lowest pitch': 8.2, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '帽', 'pinyin': 'mao4', 'highest pitch': 10.77, 'lowest pitch': 8.53, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.98, 'lowest pitch': 6.41, 'duration': 0.09, 'prosody hierarchy': '#1'}, {'character': '大', 'pinyin': 'da4', 'highest pitch': 8.03, 'lowest pitch': 6.33, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '学', 'pinyin': 'xve2', 'highest pitch': 6.77, 'lowest pitch': 5.81, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '生', 'pinyin': 'sheng1', 'highest pitch': 8.27, 'lowest pitch': 6.18, 'duration': 0.22, 'prosody hierarchy': '#2'}, {'character': '出', 'pinyin': 'chu1', 'highest pitch': 8.24, 'lowest pitch': 7.03, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '现', 'pinyin': 'xian4', 'highest pitch': 7.83, 'lowest pitch': 6.25, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 6.75, 'lowest pitch': 5.89, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '验', 'pinyin': 'ian4', 'highest pitch': 8.11, 'lowest pitch': 6.66, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '票', 'pinyin': 'piao4', 'highest pitch': 8.0, 'lowest pitch': 6.32, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '口', 'pinyin': 'kou3', 'highest pitch': 7.19, 'lowest pitch': 3.93, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '前', 'pinyin': 'qian2', 'highest pitch': 7.07, 'lowest pitch': 5.21, 'duration': 0.38, 'prosody hierarchy': '#4'}]