也许是李勇燕忙着其他事情，所以还没有回信。
也许是觉得那个姑娘比较矮小，李勇燕仍没有回信。[{'character': '也', 'pinyin': 'ie2', 'highest pitch': 10.86, 'lowest pitch': 8.76, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '许', 'pinyin': 'xv3', 'highest pitch': 10.58, 'lowest pitch': 7.06, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 9.83, 'lowest pitch': 7.44, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '觉', 'pinyin': 'jve2', 'highest pitch': 8.04, 'lowest pitch': 7.28, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '得', 'pinyin': 'de5', 'highest pitch': 9.04, 'lowest pitch': 8.48, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '那', 'pinyin': 'na4', 'highest pitch': 9.08, 'lowest pitch': 7.38, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '个', 'pinyin': 'ge5', 'highest pitch': 7.78, 'lowest pitch': 6.73, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '姑', 'pinyin': 'gu1', 'highest pitch': 9.37, 'lowest pitch': 8.29, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '娘', 'pinyin': 'niang5', 'highest pitch': 9.31, 'lowest pitch': 7.26, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '比', 'pinyin': 'bi3', 'highest pitch': 7.53, 'lowest pitch': 5.68, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '较', 'pinyin': 'jiao4', 'highest pitch': 8.39, 'lowest pitch': 5.68, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '矮', 'pinyin': 'ai2', 'highest pitch': 10.66, 'lowest pitch': 6.5, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '小', 'pinyin': 'xiao3', 'highest pitch': 10.66, 'lowest pitch': 4.48, 'duration': 0.33, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.26}, {'character': '李', 'pinyin': 'li2', 'highest pitch': 10.26, 'lowest pitch': 8.4, 'duration': 0.1, 'prosody hierarchy': 'null'}, {'character': '勇', 'pinyin': 'iong3', 'highest pitch': 10.89, 'lowest pitch': 7.53, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '燕', 'pinyin': 'ian4', 'highest pitch': 10.09, 'lowest pitch': 7.33, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.04}, {'character': '仍', 'pinyin': 'reng2', 'highest pitch': 10.46, 'lowest pitch': 7.03, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '没', 'pinyin': 'mei2', 'highest pitch': 10.58, 'lowest pitch': 7.8, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 7.8, 'lowest pitch': 5.74, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '回', 'pinyin': 'huei2', 'highest pitch': 6.17, 'lowest pitch': 5.53, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '信', 'pinyin': 'xin4', 'highest pitch': 7.8, 'lowest pitch': 5.91, 'duration': 0.25, 'prosody hierarchy': '#4'}]