[{'role': 'USR', 'utterance': 'Adam, could you show me around the school?'}
 {'role': 'SYS', 'utterance': 'No problem.'}
 {'role': 'USR', 'utterance': "What's the tallest building?"}
 {'role': 'SYS', 'utterance': 'You mean the white building near the playground?'}
 {'role': 'USR', 'utterance': 'Yes.'}
 {'role': 'SYS', 'utterance': 'That is the library. And it has more than 1, 000, 000 books.'}
 {'role': 'USR', 'utterance': "What's the building to the south of the library?"}]
{'role': 'SYS', 'utterance': 'You know, our school is divided into two parts, the junior high school and the senior high school. That is the new classroom building for our senior high school.'}