[{'role': 'USR', 'utterance': 'Why do you think you are qualified for this position?'}
 {'role': 'SYS', 'utterance': 'I have four years study in the Department of Mechanical Engineering and it has given me a solid theory foundation. Moreover, I have worked at CAB Company for 4 years and got a lot of practical experience.'}
 {'role': 'USR', 'utterance': "Great. Then what's your technical post title now?"}
 {'role': 'SYS', 'utterance': 'I am a senior mechanical design engineer.'}
 {'role': 'USR', 'utterance': 'Do you take the original certificate with you?'}]
{'role': 'SYS', 'utterance': 'Yes. Here it is.'}