你们为什么腰上别着两把西瓜刀？
两名社会青年腰上别着两把西瓜刀。[{'character': '两', 'pinyin': 'liang3', 'highest pitch': 8.81, 'lowest pitch': 7.95, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '名', 'pinyin': 'ming2', 'highest pitch': 9.55, 'lowest pitch': 7.95, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '社', 'pinyin': 'she4', 'highest pitch': 11.12, 'lowest pitch': 9.43, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '会', 'pinyin': 'huei4', 'highest pitch': 10.38, 'lowest pitch': 8.63, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '青', 'pinyin': 'qing1', 'highest pitch': 9.38, 'lowest pitch': 7.89, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 9.14, 'lowest pitch': 6.84, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.11}, {'character': '腰', 'pinyin': 'iao1', 'highest pitch': 7.85, 'lowest pitch': 7.4, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 7.85, 'lowest pitch': 6.37, 'duration': 0.23, 'prosody hierarchy': '#2'}, {'character': '别', 'pinyin': 'bie2', 'highest pitch': 7.08, 'lowest pitch': 6.22, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '着', 'pinyin': 'zhe5', 'highest pitch': 8.18, 'lowest pitch': 7.46, 'duration': 0.09, 'prosody hierarchy': '#1'}, {'character': '两', 'pinyin': 'liang2', 'highest pitch': 7.94, 'lowest pitch': 6.18, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '把', 'pinyin': 'ba3', 'highest pitch': 7.77, 'lowest pitch': 4.59, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '西', 'pinyin': 'xi1', 'highest pitch': 8.42, 'lowest pitch': 7.95, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '瓜', 'pinyin': 'gua1', 'highest pitch': 9.33, 'lowest pitch': 7.95, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '刀', 'pinyin': 'dao1', 'highest pitch': 9.86, 'lowest pitch': 9.3, 'duration': 0.3, 'prosody hierarchy': '#4'}]