[{'role': 'USR', 'utterance': "have you ever seen Bill Gate's home on the internet?"}
 {'role': 'SYS', 'utterance': "no. what's it like?"}
 {'role': 'USR', 'utterance': "it's got its own library, theatre, swimming pool, and a guest house. The house itself has about ten different rooms that are all hooked up to computers so you can get things done in each room through."}
 {'role': 'SYS', 'utterance': 'would you want to live there?'}
 {'role': 'USR', 'utterance': "I think his house is fantastic, but I wouldn't want to live there. You would have to hire one or two people to clean all the rooms in the house, plus a few people to take care of the gardens."}
 {'role': 'SYS', 'utterance': "what's your dream home like then?"}
 {'role': 'USR', 'utterance': 'my dream home is actually just a small cottage in a quite village in England.'}]
{'role': 'SYS', 'utterance': 'would you want to buy an old cottage or build a new one yourself?'}