[{'role': 'USR', 'utterance': 'You have been here for how long? Four months now?'}
 {'role': 'SYS', 'utterance': 'Yeah, about.'}
 {'role': 'USR', 'utterance': 'Do you know Chinese better now?'}
 {'role': 'SYS', 'utterance': 'Oh, definitely. I remember, when I first arrived in Guangzhou, my girlfriend was haggling with a sales clerk over the price of a mobile phone.'}
 {'role': 'USR', 'utterance': 'Oh, yeah. Many Chinese like to bargain. It happens almost everywhere.'}
 {'role': 'SYS', 'utterance': 'I mean, I understand that. But the speed of the conversation got faster and faster, until it seemed to me that they would fight. My perception of the tone was that it was a violent shouting match. The truth was that it was a perfectly normal conversation.'}
 {'role': 'USR', 'utterance': "A shouting match? You're so funny. You must be exaggerating. I don't believe it."}]
{'role': 'SYS', 'utterance': "I am not exaggerating at all. I'm telling you the truth. That was how I felt at that time."}