[{'role': 'USR', 'utterance': 'Are you studying here?'}
 {'role': 'SYS', 'utterance': 'Yes, I am studying in Eastern Asian language department.'}
 {'role': 'USR', 'utterance': 'What are you majoring in?'}
 {'role': 'SYS', 'utterance': 'I major in Japanese.'}
 {'role': 'USR', 'utterance': 'What do you think of the literature course?'}]
{'role': 'SYS', 'utterance': "It's very helpful. The course has let me into a new world of literature. I read so many great literatures."}