[{'role': 'USR', 'utterance': 'I heard something terrible happen to your son last weekend.'}
 {'role': 'SYS', 'utterance': 'Yes, my family went swimming with Mr. Henry and his son last Saturday. When we got there, my wife and I started looking for a nice spot near the pool. My son ran off by himself and went over to the pool. The next thing we knew, he was in the water.'}
 {'role': 'USR', 'utterance': 'Can he swim?'}
 {'role': 'SYS', 'utterance': "No, he can't. We told him to stay in the shallow part of the pool, but he slipped into the deep part of the pool by accident."}
 {'role': 'USR', 'utterance': "That's horrible. Did anyone notice what was happening?"}]
{'role': 'SYS', 'utterance': 'Yes, lucklily Henry was nearby and immediately realized that he was drowning. Henry has taken some swimming lessons. So he knew right away that my son was in danger.'}