[{'role': 'USR', 'utterance': "What's the matter with me, Doctor? I feel so tired these days."}
 {'role': 'SYS', 'utterance': "It's your blood pressure, I'm afraid. It's far too high."}
 {'role': 'USR', 'utterance': "And what's the cause of that?"}
 {'role': 'SYS', 'utterance': "Overwork-amongst other things. You can't work 24 hours a day. You'Ve got to slow down."}
 {'role': 'USR', 'utterance': "But I can't just slow down."}]
{'role': 'SYS', 'utterance': "You've got to, I'm afraid. And look at this. You weigh 200 stones. That's too much for a man of your size."}