[{'role': 'USR', 'utterance': 'Craig, what do you do for work?'}
 {'role': 'SYS', 'utterance': "I'm still a student."}
 {'role': 'USR', 'utterance': 'What school do you go to?'}
 {'role': 'SYS', 'utterance': 'Boston University.'}
 {'role': 'USR', 'utterance': "That's a good school. What do you study?"}
 {'role': 'SYS', 'utterance': "I'm studying English, math, and history. My major is English."}
 {'role': 'USR', 'utterance': 'How long have you been studying English?'}
 {'role': 'SYS', 'utterance': 'More than six years.'}
 {'role': 'USR', 'utterance': "That's a long time."}
 {'role': 'SYS', 'utterance': 'Yeah, I started to learn English when I was in high school.'}
 {'role': 'USR', 'utterance': 'No wonder your English is so good.'}
 {'role': 'SYS', 'utterance': "Actually, it's not that good. I can read but I can't speak very well. I haven't had a lot of chance to practice."}
 {'role': 'USR', 'utterance': 'I see. Talking with other people is very important.'}]
{'role': 'SYS', 'utterance': "Yes, but I still don't have many friends here yet."}