[{'role': 'USR', 'utterance': 'You are not happy, are you?'}
 {'role': 'SYS', 'utterance': 'No.'}
 {'role': 'USR', 'utterance': 'What makes you unhappy?'}
 {'role': 'SYS', 'utterance': 'My parents.'}
 {'role': 'USR', 'utterance': 'Why? I guess they must love you very much.'}
 {'role': 'SYS', 'utterance': "But they always want me to do what they wish, regardless of my feeling, just because I'm the only child in the family!"}
 {'role': 'USR', 'utterance': 'Oh, I see. There is a generation gap between your parents and you.'}]
{'role': 'SYS', 'utterance': 'What is it? Generation gap?'}